Category Archives: Agriculture

N2O emissions increase exponentially with increasing N fertilizer at rates greater than the crops need

Although only 16% of households practiced AWD, this technique proved to be effective for paddy producers who reached a higher efficiency score of 1.144 in the AW season.This implies that the positive differences in the efficiency of the two farmer groups were mainly due to input reduction strategies.A similar circumstance amongst other groups was also evident; however, these figures were not statistically significant in the AW season.difficulties for farmers in 1M5R and AWD application still exist, including weather conditions , the surface of rice field not adequately leveling, and inefficient operation of irrigation systems and water management by small households that are some distance from canals.In addition to SBM scores, it is important that the information on input slacks is fully understood because it demonstrates the excessive usage of inputs and how well the farmers respond in managing their resources during production in order to achieve the greatest efficiency.The slacks of the main input components by rice group are shown in Table 5.First, in the SA season, the largest and smallest slacks of seed density belonged to HR at 45.46 kg/ha and AR group at 29.70 kg/ha, respectively.In the AW season, farmers decided to reduce the amount and not waste seeds.The seed slack of the AR group appeared unchanged at approximately 29 kg/ha.The MR group generated equal slack of seeds at 30.21 kg/ha to AR; meanwhile,vertical grow rack of the figure for the HR group was up to 38.24 kg/ha although it was reduced by 7 kg/ha compared to the SA season.

The largest slacks of N, P2O5, and K2O fertilizers were observed in the HR group in the SA season, followed by the MR and AR groups.Second, in the AW crop, farmers used N at 35 kg/ha with AR varieties.Due to the high risk of pests and disease in the SA season, farmers wanted to spray more pesticides and herbicides, which led to larger slacks in every rice variety group.Irrigation slacks between AR, HR, and MR in the AW season were much higher than those in the SA season.Producers have to pay for water pumped in and out of the field to maintain the continuous flooding status of rice plants.Between the rice groups categories, MR cultivation required an irrigation cost approximately 1.78 times higher than that of AR.In AW season, it is feasible to apply multiple drainage or AWD techniques to reduce water use , while simultaneously reducing the GWP of CH4 emissions.Water-saving irrigation and field drying will reduce CH4 emissions, while reducing the use of chemical fertilizers which will reduce N2O emissions from rice cultivation.The same conclusions were drawn from studies by Linquist et al., Snyder et al., Yang et al.and Zhang et al.; i.e., reducing the flooding status in paddy fields by applying AWD and N fertilizer management will help households mitigate GHG emissions.Therefore, it is important to understand information on input slacks combined with CSA practices as presented in Table 6.Regarding N fertilizer use, the 1M5R adopters had significantly smaller slacks than non-adopters in the two seasons of 13.27 kg/ha and 12.84 kg/ha, respectively.In addition, CSA practice was also effective in reducing the wastage of water, as evidenced by smaller slacks in irrigation costs for 1M5R and AWD adopters.In the SA season, the difference in excessive irrigation cost between 1M5R and conventional farmers was approximately 177,000 VND/ha, while the difference between AWD adopters and non-adopters was 148,000 VND/ha.In the AW season, although the slacks were all larger than in the SA season, 1M5R and AWD were still efficient when the participants had significantly smaller slacks than non-participants.Managing nitrogen and irrigation slacks more efficiently by practicing 1M5R and AWD, farmers can better adapt to climate change, sequester more carbon in the soil, and reduce GHG emissions, such as N2O emission intensity.Thus, paddy producers can significantly reduce N2O emissions from their fields by more precisely estimating N fertilizer needs and reducing N slack in each production step.Based on the manual of GHG emissions estimation in agriculture , we attempted to connect GHG mitigation with the reduction strategy of N.GHG emissions from synthetic N fertilizer consist of direct and indirect N2O emissions.

Direct N2O emissions occur at the source by microbial processes of nitrification and de-nitrification and indirect N2O emissions are produced from atmospheric after re-deposition and leaching processes from managed soils.Since there has been no regional N2O emission factor for paddy cultivation in the MKD, China’s direct N2O EF  for rice production, and the FAO N2O EF are available for reference.However, China’s EF does not provide an indirect EF for rice production.Thus, we used the FAO N2O EF for synthetic fertilizer use for both direct and indirect emissions.Table 7 presents the possible reduction of N2O emissions by rice groups when the slacks of N fertilizer were reduced by 100% and 50%.In the SA season, it was estimated that if the slacks of N could possibly be reduced by 100%, AR, HR, and MR households can mitigate N2O emissions by 62, 74.2 and 70.7 kg/km2, respectively.If farmers can only reduce 50% of slacks, those figures will be 31, 37 and 35.35 kg/km2 of N2O, respectively, for the three rice groups.In the AW season, although the N application rate was similar to the SA season, the AR group had a larger slack of N.Thus, there was no need to apply approximately 100 kg of N per ha for AR production in the AW season.If it is possible to minimize 100% of N slacks, AR, HR and MR paddy producers should be able to decrease the amount of N2O at 73, 64.7 and 66.3 kg/km2, respectively.Regarding mitigation strategies, it is important to apply nitrogen fertilizer following these four principal management factors: right source at the right rate, right time, and right place.These 4Rs should be used together in a comprehensive plan appropriate for the cropping system and also account for all sources of nitrogen input to crop fields.If the 4Rs are practiced and monitored well, they will increase crop yield and profitability, while also greatly reducing GHG emissions.Information on the 20 most super-efficient paddy farms is presented in Table 8.The AW season with advantageous weather conditions helped households reach much higher super-efficiency scores.Households with super-SBM scores > 4 were super-efficient DMUs and could be considered as outliers in the sample.There were households that appeared to be super-efficient in the two seasons with their unchanged AR and HR varieties, including BL032, BL034, and BL036 with Nang Hoa 9 variety; AG078 and DT032 with OM5451 variety; and BL028 and DT100 with Dai Thom 8 variety.BL032, BL034, and BL036 were cooperative members, which is why they were confident of the support from cooperatives when producing AR in the wet and rainy seasons.Although both AG078 and DT032 produced the same OM5451 variety, their products were sold at very dif-ferent prices during the two seasons.AG078 sold their paddy to traders at a price of 4950 VND/kg and 5200 VND/kg in the SA and AW seasons, respectively.DT032, with a pre-arranged farming contract, could obtain much higher prices at 6100 and 6200 VND/kg in the two seasons.Moreover, AG078, DT032, BL028, and DT100 all belonged to local paddy cooperatives.In addition, some households preferred to change their rice varieties when the AW season began.They were: AG062 and CT027 changed from OM5451 to Dai Thom 8; BL081 changed from Nang Hoa 9 to Dai Thom 8; BL047 changed from Dai Thom 8 to Nang Hoa 9; and CT019 changed from sticky rice CK92 to Dai Thom 8.

Among those households that practiced variety switching and were still super-efficient, household CT019 produced sticky rice CK92 in the SA season and was even more successful when changing to AR Dai Thom 8 in the AW season, with super-SBM scores of 3.77 and 6.48, respectively.This was good evidence of efficient farming owing to their cooperative membership and 1M5R package application in the field.Household BL047 changed from Dai Thom 8 in the SA season to Nang Hoa 9 in the AW season because of the contract between the enterprise and farmer.Thus, the selling price of paddy rice was also very high at 6300 VND/kg and 7200 VND/kg in the SA and AW seasons, respectively.Households AG062 and CT027 changed from OM5451 to Dai Thom 8 because they wanted to obtain higher output prices from individual traders at harvest.The appearance of Dai Thom 8 and OM5451 varieties in the list of super-efficient households confirmed their super-efficiency when grown in different ecological zones in the MKD.In particular,vertical grow tables aromatic Dai Thom 8 and Nang Hoa 9 varieties cultivated by households in Bac Lieu province appeared to be strongly adaptive to the environment and continued to be efficient overall.Thus, producing AR and HR using CSA techniques can not only bring economic benefits to farmers but can also protect the environment and mitigate GWP by reducing GHG emissions.The farming area and quantity of MR should strictly follow the government’s recommendations.Agricultural businesses face a vast number of simultaneous challenges.Shrinking marginals, complicated pan-European regulations and external, as well as internal, demands to mitigate their environmental footprint are all examples of requirements to be met.As a response, several different techniques are proposed to meet the needs of farmers.Even though farming has been developing technologically for centuries, the 21st century offers a wide range of technological possibilities that could deeply affect the future of farming.One of them is Artificial Intelligence.AI is to a large extent responsible for the smartness in smart farming.The term ‘smart farming’ constitutes a wide scope and demanding expectations.In this paper, smart farming is defined as the system of data driven tools for decision support in one or several parts of a farm’s production, not restricted to nor limited by the agricultural sector they belong to.Smart farming could enable increased yield volumes, mitigate the workload for farmers, contribute to climate change adaptation and future-proof farming for the coming centuries.With this in mind, smart farming is expected to affect several areas within the agricultural sector.To mention a few, some trained AI models are implemented to predict the optimal time for planting and harvesting crops, prevent nutrient deficiencies and the spread of diseases, and guarantee food safety.

Contrary to most earlier research, this study investigates technical aspects as well as non-technical aspects of smart farming.Several earlier studies have scrutinized technical aspects such as optimal remote sensing picture resolution and important cyber security aspects to sensor systems.Here, those aspects are considered but other essential, practical aspects such as data ownership and data sharing are also analyzed.Furthermore, non-technical aspects to smart farming, for instance trust and profitability, are discussed.By this interdisciplinary approach, new insights into the possible application of AI in agriculture are provided.Additionally, the wide scope allows for a comparison between three different agricultural sectors: arable farming, milk production and beef production.The study took place in Sweden, but a large part of the findings may be relevant in an international context as well.Thereafter, qualitative data was collected through a semi-structured interview study examining how different agricultural stakeholders regard smart farming technology.All interviews took place in the first half of 2021.In total, 21 respondents were interviewed from different parts of the agricultural sector in Sweden.Table 1 shows an overview of the respondents.The respondents were grouped by their occupation, where ten are individual farmers , seven are people working at commercial enterprises and cooperatives in the agricultural sector , two are researchers at Swedish research institutes and the remaining two work at a governmental agency.Out of the seven respondents from commercial enterprises and cooperatives, four come from organisations that are deemed to have some economic interest in the agricultural sector, although they also have a cooperative function.Two other respondents in the same categorization are strictly cooperatives, one with ties to the public sector.The final is a certification organ.The interviewed researchers are hired by a Swedish university with agricultural focus, and the respondents from the governmental agency are also tied to different functions within a Swedish authority focused on agriculture.The interview questions are included in the Supplementary Materials.The lists of questions were created prior to the interviews and have not been altered.different lists of questions were used for farmers and for organizations, companies, governmental authorities and researchers.For farmers, a different set of questions was used for those farmers familiar with the concept of smart farming , vs.those farmers not familiar with the concept of smart farming.For organizations, companies, governmental authorities and researchers, only one list of questions was used, since all were selected based on their experience with smart farming.

There are at least three major obstacles to more widespread use of the agricultural easement technique

Not included in these estimates were other agricultural acres protected by easements primarily for environmental purposes, such as wetlands, habitat and riparian corridors . Anecdotal evidence suggests that there are many thousands of such acres throughout the state, with easements acquired and held by local land trusts and open space districts, national conservation organizations such as The Nature Conservancy, and state and federal wildlife agencies . Of the 34 organizations, only 24 had acquired agricultural easements by 2000, reflecting that many new programs are still in the formative stage. The programs studied held 29,600 acres in non-agricultural easements and owned outright another 90,900 acres in natural resources and recreational areas, indicating that many programs pursue multiple conservation goals. Only about one-fifth of the total agricultural easement acres were cropland; four-fifths were grazing land. By comparison, cropland and grazing acres represent much larger and smaller shares, respectively, of California’s total farmland base — about one-third and two-thirds of the total . One explanation for the prevalence of grazing acres in easement programs is the relatively large size of cattle ranches and the preference of some programs to put an easement on one large ranch in a single transaction, rather than undertaking the more difficult task of seeking multiple easements from numerous owners of smaller cropland farms. Farms under easement are an infinitesimal share of California’s total 27 million agricultural acres. These are located in only 19 of the state’s 58 counties . They are concentrated in eight coastal counties from Mendocino to the north and Santa Barbara to the south, and in three adjacent Bay Area counties . The coastal counties alone contain more than 80% of all easement acres. Three Central Valley counties are also represented in the easement ranks. This geographical pattern is also notable for the regions that lacked any agricultural easement activity in 2000: the southern and northern thirds of the state. Just as striking is the absence of many important agricultural counties.

Among the 11 counties that lead the state in agricultural production value, each with at least $1 billion in market receipts in 1999,round plastic pots only three contained agricultural easements as of mid-2000 . Counties with farm market values of $1 billion or more in 1999 that did not have agriculture easements were Imperial, Kern, Riverside, San Diego, San Joaquin, Stanislaus, Tulare and Ventura. On the other hand, Sonoma and Marin — the top counties in agricultural easement acres — ranked 16th and 44th, respectively, in farm market value among all California counties. The pattern of varying easement activity among top agricultural counties can be explained, in part, by underlying differences in the conservation sentiments of local populations. For example, Central Coast voters have shown higher levels of support for environmental measures on statewide ballots than voters in inland and southern counties . As a result, citizen coalitions with land conservation or other environmental agendas are more likely to form in Central Coast communities, which may explain the relatively larger number of land trusts in these areas. Yet not all Central Coast counties have active agricultural easement programs. Santa Cruz, Santa Clara and Ventura counties, for example, had recorded no agricultural easements or far fewer than nearby areas as of mid- 2000. In interviews, conservation organization managers cited as reasons the higher costs of acquiring easements on farmland in some of these locations and the greater interest of local land trusts in conserving environmental lands and engaging in educational and other activities.Each of a dozen programs — 11 land trusts and one open space district — had acquired easements on 1,000 or more agricultural acres as of 2000. Their collective holdings totaled about 79,000 acres, 94% of the state total. Among the 12 programs are six coastal programs, three in adjacent counties, two in the Central Valley and one statewide program . The two largest programs combined held more than 46,000 farmland easement acres, or slightly more than half of the statewide total. Serving adjacent North Bay counties, Marin Agricultural Land Trust and the Sonoma County Agricultural Preservation and Open Space District have been the two most active farmland easement programs in California since the mid-1990s. More than 150 separate transactions were represented by these easements. In some cases, the number of separate transactions is a better measure than total acres of the organization’s achievements, since each transaction is the result of a complex process that includes extensive landowner negotiations.

Most of the 12 programs exclusively or primarily hold easements on grazing land. Only the Monterey, Yolo and South Livermore Valley land trusts are exclusively or primarily involved in acquiring and holding easements on cropland, although several others with large holdings in acres overall also have significant cropland acres. The crops grown on easement-protected land include artichokes, strawberries, vegetables and grapes in coastal counties, and field and orchard crops in the Central Valley.The first agricultural easement in California was acquired by MALT in 1983. In fact, most of the easements accumulated by all agricultural programs by 2000 had been acquired only in the previous 5 or 6 years, since the early and mid-1990s. The 12 leading programs quickly established successful records. Other programs in our sample had accomplished far less or had yet to acquire their first agricultural easements, although some had placed significant amounts of non-agricultural land under environmental easements. Each of the leading programs followed a unique path, but they have several underlying factors in common. The most critical element seems to have been early access to funds or other acquisition resources, in part a result of fortunate timing, location and community support. But success was also the result of the skill and persistence of program staff and community leaders in working with landowners and putting together the resources to complete easement deals.The coastal location of four programs gave them access to state conservation funds earmarked for this region. California state government for several decades has targeted the long, narrow Pacific coastline for special conservation measures, starting with the creation in 1972 of the Coastal Commission, a land use regulatory agency. A more beneficial action for landowners was the formation in 1976, by state legislation, of the Coastal Conservancy, which was given the non-regulatory task of preserving coastal areas through landowner compensation. State appropriations began to flow to local agencies after the 1988 passage of Proposition 70. This bond issue generated $776 million for state and local land conservation programs, mainly to acquire and improve parks and wildlife habitat. A small portion of the total, some allocated through the Coastal Conservancy, eventually was used to acquire easements on farmland that had other resource values .

At least four of the successful programs benefited from these actions shortly after their formations. MALT, the Sonoma Land Trust and the Monterey County Agricultural and Historical Land Conservancy, either independently or with their county governments, each received a $1 million grant from the Coastal Conservancy in the mid-1980s. All three land trusts, together with the Peninsula Open Space Trust , a few years later obtained Proposition 70 funds for easement activities. Two land trusts among the 12 leading agricultural programs have prospered from a different type of funding stimulus — local government mitigation of farmland loss, which requires urban development projects to pay for easements on comparable farmland. The Yolo Land Trust received its initial easements as the result of a mitigation ordinance passed by the city of Davis in 1995,the first such municipal action in California. The South Livermore Valley Agricultural Land Trust was formed and acquired many of its easements as the result of litigation,hydroponic bucket in which the city of Livermore successfully challenged a large residential project. Another trust that has concentrated on environmental easements, the Solano County Farmland and Open Space Foundation, also benefits from a mitigation arrangement as a result of litigation involving the city of Fairfield. The Sonoma County Agricultural Preservation and Open Space District is in a different funding category because of its countywide 0.25-cent sales tax, approved by voters in 1990. The district, which relies exclusively on this 20-year revenue source for its operations and purchases, was the only California entity with a dedicated tax for acquiring farmland easements until November 2000, when voters in Davis approved a parcel tax to fund a land conservation program that includes easements.Several of the other leading programs depended largely or primarily on landowner donations of easements, including Napa County Land Trust, Land Trust for Santa Barbara County, California Rangeland Trust and Sonoma Land Trust. All four have broader open space and conservation interests than just farmland protection, and their donated easements have come primarily from owners of large ranches who are generally motivated by the tax benefits or preservation of the environmental qualities of their properties. Beyond their formative years, most of the successful programs have been able to tap a variety of sources to fund easement acquisitions . External sources and landowner donations of easements were most frequently used, particularly grants from state and federal governments and from private foundations. Internal sources, including both private funds and public revenues, were less widely used. California’s strict rules for funding local government programs, especially the restricted property tax and two thirds voter approval requirements for new or increased taxes, severely limit the ability of communities to support easement programs with local taxes.The less tangible elements of program entrepreneurship were also important to the success of the leading programs. Even with early funding opportunities, the leaders of the better-funded programs had to apply skill, focus and persistence, and to work hard over long periods of time, to get their organizations going.

To build a record of acquisitions, they had to look for funds from competitive sources and/or seek landowner donations. Program leaders had to match funding with landowner interests, a process that involved a time sensitive juggling of several interrelated factors: dealing with foundations and state government as funding sources, selecting or seeking out appropriate parcel candidates according to the trust’s priorities, matching available funding with available landowners and negotiating with landowners. Each easement transaction is process unto itself. One land trust manager estimated that the average direct cost of completing a transaction was $15,000 in staff time and other expenses. Another estimated that putting an easement together required several hundred hours in staff time. As much as funding or landowner donations, the critical resources in this process were the personal skill, focus and persistence of program leaders. The successful programs generally have small professional staffs, but they also rely extensively on the work of volunteer boards, which typically include members with expertise in law, resource management, agriculture, finance, land appraisal and other relevant areas. Land trusts with boards composed substantially of farmland owners, such as the Yolo and Merced trusts, are especially equipped to use board members’ local knowledge and personal contacts in persuasive discussions with other farmers and ranchers who own desirable parcels. Explaining this strategy, one land trust manager noted: “The [founders of the trust] knew that they couldn’t be an urban group going out to the farmers and telling them how to change their land. The message had to come from colleagues — other farmers and ranchers in the community.If you want to be effective in agricultural preservation, you need to get along with the people of the land. . . and that includes the Farm Bureau” .Despite recent achievements of the leading programs and general popularity of this non-regulatory technique for preserving farmland, agricultural easement programs have not yet caught on in a substantial way in most of California’s agricultural counties. The limited progress so far may be understandable, considering the still-new status of the technique as a farmland protection tool. In time, with greater familiarity and acceptance in agricultural and other community circles, and fueled by the achievements of the first active programs, there could be a rapid expansion in the number and geographical extent of programs and acres covered . This is not a certain scenario in the near future, however.It takes a high degree of citizen interest or local government support to form a land trust or open space district, qualities not currently present in many agricultural areas. Local and regional organizations run the easement programs, rather than more distant state government and other outside agencies, because successful easement transactions depend on close relations with landowners.

Alameda is the benchmark county for the coefficient estimates in our empirical analysis

This negative coefficient could capture the allocation of a higher value of resources for counties that have experienced low performance during that fiscal year, or cutbacks for a particular county that has performed well. As Foster and Rosenzweig found new technology takes a while to be adopted, and its full impact is observed over time. So, a combination of the two may explain the results we obtained. Therefore, consideration of only the current period expenditures on measuring the impact of UCCE research and outreach expenditures on productivity only tells part of the story. A more complete picture requires understanding how the current stock of research-based knowledge impacts productivity. The current knowledge stock is the sum of old and new knowledge produced through expenditures on R&D and outreach, thereby providing a more complete understanding of the long-term impact of UCCE expenditure on county productivity.22 The trend we observe in the UCCE extension expenditure coefficients as the rate of depreciation grows from 0 to 100 percent presents an increase up to 50 percent depreciation and then a decline. At that range, we observe either insignificant coefficients or negative coefficients.One possible interpretation is that the more frequent the replacement of knowledge the higher the impact of funds spent on knowledge creation and dissemination. This is up to a given point at which the effectiveness of the knowledge stock decreases/drops. When knowledge replacement is 100 percent, meaning every year all knowledge becomes obsolete and needs to be replaced, the UCCE system is not efficient, leading to a negative coefficient of its expenditures stock.Empirical results in Table 2 inform how UCCE impacts average county-level productivity. However, we now want to test how the impact of UCCE expenditure on productivity varies across counties. Heterogeneous impact across counties can result from various reasons. In particular, differences in the resource base in the various counties,microgreen fodder system and the composition of the crops grown, can lead to differences in extension productivity.

From a policy perspective, this analysis is an important contribution to the literature, because it allows evaluating policies that affect certain localities that face different climatic or soil fertility. To achieve this, we have made some modifications to our original model. The main empirical model remains unchanged, but we include interaction terms between dummy variables representing each county and its UCCE expenditures into the old model. Regression coefficients for 23 counties are reported in Table 3 for knowledge depreciation rates ranging from 0 to 20 percent, and it includes only the estimates of the coefficients for the counties that interacted with the UCCE expenditures.The first row in Table 3 reports the impact of UCCE in Alameda County on total value of sales, which is negative for all used knowledge depreciation rates, and is statistically insignificant.Fresno County records the highest positive coefficient of UCCE expenditures stock. It varies from $25 to $191, depending on total value of sales per acre, for knowledge depreciation rates ranging between 0 and 20 percent, respectively. The coefficients for Fresno County are the highest and statistically different from 0 at 1 percent level of significance. San Bernardino County has the next highest impact on total value of sales per acre, which ranges between $10 and $82. Thethird highest statistically significant impact is obtained for Tulare County, which ranges between $10 and $72. The coefficient estimates for Los Angeles and Santa Clara counties indicate no significant impact of UCCE expenditures stock. Kern, Monterey, San Joaquin, Stanislaus, and Ventura counties, which are among the top 10 agricultural counties, have positive and statistically significant impacts reported in columns – of Table 3. Amador, Calaveras, Humboldt-Del Norte, Modoc, and Siskiyou counties have negative statistically significant coefficient estimates for knowledge depreciation rates ranging from 0 to 20 percent.For Imperial County, we observe that for 20 percent knowledge depreciation rate, the value of the coefficient estimate does not remain statistically different from 0. This result implies that adoption of new technologies at these rates may incur high costs and can stop impacting productivity positively. Los Angeles, San Francisco-San Mateo, and Santa Cruz counties do not report high impact on productivity, even though they are among the counties recording some of the highest expenditures made by UCCE.Overall, Fresno, Kern, Monterey, Tulare, and San Bernardino counties record the largest impacts of UCCE expenditure stock.

The first four counties are among the top 10 agricultural producers in the state. All these counties are also among the biggest producers of some of the most high-profile agricultural products in terms of receipts, e.g. grapes, almonds, strawberries, and citrus among fruits and nuts, tomatoes and lettuce among vegetables, and dairy, livestock, and poultry. The results discussed above provide better understanding of UCCE’s impact on individual county-level productivity. More productive counties in general report higher impact of UCCE presence.A pertinent issue with respect to this paper is the substitutability between UCCE expenditure stock and other inputs of production. This is particularly relevant because some counties may face scarcity of one or more of the traditional inputs, and it would be an important contribution if expenditures on UCCE can be a substitute for the said input. For this analysis, we use the inputs that have been found to have a statistically significant positive impact on productivity, such as hired labor, and acres of chemical application. Since number of primary occupation farmers brings down productivity, it is a ‘bad’ input. We have used a linear model in this paper, which makes the calculations simpler, under the assumption of constant marginal productivity. This means that a $1 increase in UCCE extension expenditure stock per acre of farmland will lead to a reduction in hired labor per acre by nearly 0.0003 workers, keeping total value of sales per acre constant. This is a reduction of nearly 1.5 percent, compared to the mean value of this variable . For the next significant input, which is acres of chemicals applied as a share of total farmland acres, we find that MRTS equals −0.00556 . This means that a $1 increase in UCCE expenditure stock per acre of farmland will lead to reduction in the share of chemicals applied per acre by nearly 0.006, keeping total value of sales per acre constant. This again is a reduction of about 1 percent, compared to the mean value of this variable . Similar trends in substitution were reported in Goodhue, Klonsky, and Mohapatra , suggesting that almond grower education programs can have a significant effect on pesticide use decisions.

We observe that substitution effect is low between the aforementioned traditional inputs and UCCE expenditures, thereby hinting at complementarity between each of them and UCCE expenditures. These estimates are a starting point in the discussion on the topic, which has very important policy implications not only for California but also for the entire nation. Using the coefficient estimates, we calculate the rise in total value of sales per acre for our sample, using mean UCCE extension expenditures per acre. That amounts to $41 . Multiplying this $ value by mean farmland acres in our dataset over the analyzed period provides a total increase in value of sales amounting to $22,165,359 , on average, per county. The average per county real UCCE extension expenditure for the 20-year period between 1992 and 2012 amounts to $1,778,146, which implies an average per county profit of nearly $20 million , due to the UCCE extension expenditures on research and development, and outreach. This provides some evidence of the scale of impact UCCE expenditures stock has on average county productivity. The same calculations for individual counties can provide a more in-depth understanding of the effects on them for policy planning.We observe allocated extension expenditures per acre with a mean of 6.21 and a standard deviation of 8.59, suggesting a wide difference across the counties. Decisions on allocation of extension funding at the county level depend on many criteria, including the county’s productivity and long-term planning criteria , and even political considerations and lobbying, as was already suggested in our paper. While we are running contemporaneous regressions , the decision making does not take place contemporaneously. That is, the yearly spending budgets are set prior to whatever economic activity goes on in the county during that year. The budget process happens before the total sales for that year are known. It seems natural to think that the effect runs from spending budget to sales,barley fodder system rather than the other way around. Nevertheless, we have only five years of production and sales data, and it may be reasonable to think that productive counties in a year can be favored with larger budgets the following years. But this is not the case. Scrutiny of Figure 1 suggests, for example, that Fresno, which is one of the most productive counties, had UCCE expenditure of about $3 per acre in 1992 and in 2007. On the other extreme, Alameda, which is one of the least productive counties, had UCCE expenditure of about $7 per acre in 1992 and in 2007. Thus, over time we do not observe overall big changes in UCCE expenditure that are triggered by the productivity of the county, and the case for endogeneity becomes weaker, if not irrelevant.

The large SD of the extension expenditures reinforces the aim of our analysis that explains the variation in sales as a function of the variability of UCCE expenditures. A caveat of this paper is that spillover effects across counties have not been included in the model. The empirical model assumes that there is no spillover, but this effect can be incorporated in future work. This paper estimates a simplified model of agricultural sales as a function of inputs, including UCCE expenditures stock, to provide a county-level impact of UCCE expenditures on R&D and outreach on productivity, which can provide policymakers with a reference point for policy decisions in California. Another caveat is the relatively short period of time , considered in our analysis. Longer time-series data would lead to higher values of benefits from the estimated impact equations.We estimate the impact of the University of California Cooperative Extension on county-level agricultural productivity in California, using a model representing a relationship between value of agricultural sales as a proxy for productivity, and quantitative inputs of production, including UCCE expenditures. Our analysis is aggregated to the county level because UCCE operates from county offices across the state. We obtained data for UCCE budgets for all agricultural research and development , and outreach/dissemination projects for 50 county offices statewide for the years 1992–2012 . Stock of knowledge produced through UCCE extension expenditures on R&D and outreach is modeled as a function of a stream of current and depreciated past expenditures, and used as our independent variable. Data on factors of agricultural production, such as harvested acreage, hired labor, chemical applications, machinery, average farmer age, and number of primary occupation farmers were obtained from the Census of Agriculture conducted by United States Department of Agriculture for five census years, spanning over 1992–2012. Productivity is represented by total value of sales per acre of farmland, using data from the Census of Agriculture. To estimate the impact of UCCE expenditures on agricultural R&D and outreach/dissemination on productivity, we construct a stock of expenditures. We use current and five lagged values of UCCE expenditures, and a range of different depreciation rates from the literature. The intuition is that old knowledge depreciates over time, therefore older expenditures enter the model at a depreciated value. We analyze our model using depreciation rates ranging from 0 to 9 percent, and then 10, 15, and 20 percent following Griliches . Regression results indicate that UCCE’s stock of expenditures has a statistically significant impact on total value of sales per acre, which varies from nearly $1 to $9, for depreciation rates between 0 and 20 percent. For higher rates of depreciation of expenditure, the coefficient becomes statistically insignificant. Results therefore suggest that for more dynamic systems with frequent innovations, UCCE’s efforts have a higher impact on productivity. This effect, however, becomes insignificant with very high levels of depreciation. For a knowledge depreciation rate of 100 percent, we find that the coefficient becomes negative , and this effect is statistically different from 0. This result likely captures the allocation of higher expenditures on counties that have reported lower performance during the year, or cutbacks for a particular county that is performing well.

The farmers who had more than one source of income scored a higher level of adaptive capacity

According to Berry et al., farmers’ health is a critical component of their ability to adapt to climate change; thus, providing improved health care facilities would be a useful support tool for the Dalsinghpara village.Most of the households having a moderate and high adaptive capacity level are found in the Ballalguri village.This village has scored well in most capital assets except for the main road accessibility during the monsoon season.During the rainy season, the village becomes isolated from the rest of the district since all roads get submerged under the water.Moreover, there are no bridges over the rivers in this area, and the river bed is used as a means of transportation.Consequently, during the monsoon months, access to health care units and marketplaces becomes extremely difficult, and sample farmers from the Ballalguri village stated that they need to stockpile dry foods for this period in order to survive.However, the rivers are mainly rainfed and remain dry the rest of the year.Therefore, improving road conditions, especially in this area, should help to reduce the vulnerability.This result is consistent with the empirical findings of Nelson et al.and Choden et al., which stressed the need for investments towards the improvements of the rural roads for enhancing the adaptive capacity of the farmers.Improvement of physical capital would provide households with more opportunities not only for making profits via better farming practices but also for generating incomes from offfarm and non-farm activities.This would help enhance the adaptive capacity of rural households in these areas by diversifying their income sources.The households having a high level of adaptive capacity also attained relatively higher scores in financial capital.

Also, the households having at least one member working outside face lesser financial stress,stacking pots and they are relatively less vulnerable.However, owing to the COVID-19 pandemic and lock downs to prevent the spread of such a deadly infection, many migrants were forced to return to their villages.In 14.77 percent of the surveyed households, the respondents stated that their household members lost work during the pandemic and were unable to find alternative employment owing to a lack of employment opportunities.Apart from these, access to credit is comparatively high amongst the high adaptive capacity households.Although, only 7.38 percent of the households accessed credit during the last five years.Low educational level, distance to the formal financial institutes, and lack of land ownership rights could be constraints for accessing the credit facilities.It was also found that the farmers who owned larger farms had more adaptive capacity.Likewise, Jamshidi et al.reported that larger landholders are less vulnerable due to their higher adaptive capacity.However, our study also pointed out that soil quality and land ownership are more important than the landholding size.In this line, the households with higher adaptive capacity also scored more in the aforementioned natural capital indicators.Adaptation to climate change at the agricultural level entails farmers’ strategies/measures to reduce their crop damage or utilize different beneficial opportunities in response to the current or expected impacts of climate change.However, it is difficult to compile all of these strategies and determine whether or not those are climate induced.Therefore, in this study, firstly, we identified the local-level climatic stressors and finally reported the farm-level adaptation measures that are specifically targeted to minimize the impacts of the identified stressors.In Fig.6, different adaptation measures as opted by the farming households from different levels of adaptive capacity have been reported.A large number of farming households with low adaptive capacity from the village Turturi Khanda left their land as fallow as their land has filled with stones and pebbles from flood, making it uncultivable.Whereas the households whose landholdings are partially infertile cultivate paddy in small land that is not affected by the floods, and some also planted woody trees like Teak and Sal in those flood-affected lands.

These woody trees, according to the respondents, are quite resistant to flooding and pest attacks and also generate additional income for the household.Likewise, Dhungana et al.also reported that several farmers from the Nepal Himalaya planted trees in response to floods.The moderate and higher adaptive capacity households were found growing different crops and trees such as paddy, areca nuts, and woody trees.Meanwhile, only one sample household in the TurturiKhanda village had access to irrigation water by means of channeling the spring water into the field.In the Dalsinghpara village, irrespective of the adaptive capacity, all the households switched from the cultivation of traditional cereals to cash crops.The respondents reported that they perceived an irregular and decreased rainfall which was not sufficient for paddy cultivation.Over the years, low rainfall in the region coupled with decreased yields and pest intensifications have induced farmers to stop cultivating the cereals and moving to less water-intensive cash crops like areca nuts , black pepper , cassava , and pineapple.All these crops are low maintenance and increased households’ income.Similarly, a shift from traditional staple cereals to commercial crops in the Western-Himalayan landscape was reported in Rana et al.and.Some farmers also planted different woody trees to increase their income which requires minimal water and low maintenance.All the horticultural crops and woods are sold to the wholesalers, who collect those directly from the farms or households.The sample households from Dalsinghpara village mainly use watering buckets to water in their fields as there were no improved irrigation facilities.Both the moderate and high adaptive capacity households from the Ballalguri village were found to be engaged in paddy cultivation, and a large proportion of them also diversified their production system by planting areca nuts.Plantation of areca nut as a commercial crop recently became popular in the Sub-Himalayan region of West Bengal.As few households have access to improved irrigation facilities , paddy cultivation is mainly done in the monsoon season only.Also, all the sample households are found to use shorter-duration varieties of paddy as traditional varieties are no longer available in the markets.The farmers also reported that the onset and withdrawal of monsoon have become irregular, and they alter their transplantation of paddy as per the arrival of monsoon for obtaining the benefits of natural rainfall.

Changing the transplanting date as an adaptation measure is widely reported throughout the world.All the sample households who grow paddy also sow a higher quantity of seeds in order to get some extra paddy seedlings.These excess seedlings are re-transplanted if the previously transplanted seedlings are damaged due to heavy rainfalls.Whereas during the time of harvesting, if households face crop failure due to heavy rainfall, they usually dry the wet paddy, and later on, depending on the quality, those are either used for their own consumption or as animal fodder.The farmers also reported that during the non-monsoon period, this area faces a water crisis; however, as the households diversified their production by incorporating areca nuts and by selling these nuts, their vulnerability has significantly reduced.Even those households which are not cultivating areca nuts are planning to invest in it.On the other hand, irrespective of perceiving increased pest attacks, the application of chemical pesticides was limited in all the villages as the farmers believed that chemicals would deteriorate soil fertility.The contribution of greenhouse gasses from agriculture is estimated to be 11−15% of the entire emissions.In which, the release from agricultural soils and rice cultivation report 39% and 9% of the total release, respectively.Nitrous oxide , which accounts for a third of the agricultural sector GHG emissions, has a global warming potential of 265 over a hundred year lifespan.The potential for N2O emissions increases when the availability of N rises because it is claimed that N2O production in agricultural soil arises mostly through the microbial transformation of inorganic N.Until 2030, the Intergovernmental Panel on Climate Change – IPCC evaluates that GHG emissions will increase by 35% to 60%.The increasing GHG emissions from paddy cultivation have become a major concern in recent years.It is reported that, together with the intensive farming policy, the total GHG emissions from the agriculture sector in Vietnam increased significantly from 1994 to 2013.specifically, the emissions were at 52.4, 65.1, 88.3, 89.4 million tons of CO2 equivalent in 1994, 2000, 2010, and 2013, respectively.According to the data reported in the two national GHG emission inventories in 2010 and 2013,sawtooth greenhouse the amount of emitted CO2 from irrigated rice cultivation increased from 41.31 million tons to 42.51 million tons, respectively.In addition, the direct N2O emissions from agricultural soils increased from 12.91 million tons in 2010 to 13.17 million tons in 2013.Therefore, the most important criterion in the socioeconomic development progress of Vietnam and the Mekong Delta is to develop crops that simultaneously ensure food production and reduce GHG emissions.Regarding N2O flux from agricultural soils, a significant source of this effusion comes from the consumption of synthetic N fertilizers in crop cultivating steps.Chai et al.recognized the application of N as the major cause to direct N2O emissions.In paddy cultivation, increasing N use increases 4.56–7.11 g N2O/kg N of the seasonal N2O flux; the GWP also shows a squared reaction to N rate, peaking at 122–130 kg N/ ha.

Moreover, the experiments by Zhang et al.in China helped to calculate the cumulative N2O emissions during the 2011 growing season under different levels of N application.The results were at 23.09, 40.10, and 71.08 mg N2O/m2 at low-150 kg/ha, moderate-210 kg/ha and high-300 kg/ha of N application, respectively.Thus, it is recommended that the cultivators should reduce the high N fertilizer application in order to lessen the GWP while the optimum paddy yield is still maintained.It is claimed that the intensive farming and expanded demand scenario create such an extreme pressure on the rice fields, thereby causing soil degradation and imbalanced paddy ecosystem resulting in increasing environmental GHG emissions.About 90% of the world’s rice is produced by Asian countries , and 90% of the CH4 produced in the world’s paddy fields comes from this region.For this reason, understanding the CH4 and N2O release mechanisms in rice fields is necessary for developing well-organized strategies and changing conventional crop management regimes.Therefore, reducing GHG emissions becomes potential.Zou et al., with their on- field assessment, concluded that the seasonal total N2O is equivalent to 0.02% of the nitrogen applied under continuous flooding of paddy fields.The emission factor of nitrogen for N2O was proposed to be 0.42% from the result of the ordinary least squared regression model.Moreover, Yan et al.also indicated that CH4 emissions are significantly affected by organic fertilizer modification and water regimes in the growing seasons.Regarding the climate smart strategies for paddy cultivation, controlled irrigation or the alternative wetting and drying 1 technique is believed to be effective for mitigating the CO2 equivalents of CH4 and N2O emissions from fields.Multiple drainage , a simplified form of AWD, has also been practiced in the MKD.Uno et al.evaluated the consequence of this technique on yield and GHG emissions in paddy fields in An Giang province, where full dike systems are constructed for fresh water paddy production.The authors concluded that multiple drainage system can at the same time improve the output and reduce CH4 emissions in paddy fields if it is adequately implemented.Specifically, MD fields report a significant increase at 22% in yield compared to traditional flooding fields.Although there is no difference in N2O emissions found, seasonal total CH4 emissions were markedly declined by 35% in MD plots.A study of CH4 measurement by Vo et al.was conducted in paddy farms from different agro-ecological zones of the MKD.Through the emissions collected by using the closed chamber method, the overall emission factor of the entire delta is approximately 1.92 kg CH4/ha/day, which is about 48% higher compared to the globally default value set by the IPCC.However, this study by Vo et al.did not record the difference in farming patterns.Interestingly, the rice-beef-biogas integrated system presented in the study by Ogino et al.is believed to mitigate GHG emissions and energy consumption compared to the specialized rice and beef production system in Vietnam.Hanh et al.evaluated the nitrogen use efficiency of six rice varieties, including Chiem Tay, Te Tep, Re Bac Ninh, IR24, P6DB, and Khang Dan 18 in North Vietnam.P6DB and CT vari-eties, which present the smallest and largest effectiveness of nitrogen use, were chosen for a genetic testing in the next step.The results on nitrogen use efficiency are considered useful for further genetic analyses of sustainable agriculture.

Moisture is crucial for the survival and activity of the microbes in compost

Ten mL of the upper layer was transferred to a 15 mL centrifuge tube containing 500 mg of Primary Secondary Amine and 1.5 g of anhydrous magnesium sulfate.The centrifuge tube was shaken for 30 s followed by centrifugation for one min.at 1500 rpm.Six mL from the upper layer was taken, concentrated to dryness using Turbovap , and the final volume was made up to one mL using n-hexane and analyzed by Gas Chromatograph.For recovery studies, pesticides at two levels organochlorines at 0.01 and 0.05 mg kg−1 and organophosphates at 0.025 and 0.125 mgkg−1 were undertaken.Certified reference materials of pesticides were purchased from Sigma Aldrich and stock solutions were prepared using pesticide grade solvents.Single laboratory method validation was carried out to found the recovery of pesticides.Spiking solutions were prepared from stock solution for measuring percentage recovery.For calibration were undertaken with six levels of serially diluted standard mixture prepared from stock solutions.Based on these working standard solutions, calibration curves were obtained and were used to evaluate the linearity of the gas chromatograph response helps to quantify the pesticide residue of the samples.The data on the moisture and nutrient composition of different types of weeds used in the study are illustrated in Table 2.0.Among the different types of weeds, moisture content varied from 68.8 to 86.7%, with higher value in mikania and lower in macranga.Normally a certain amount of moisture is essential for composting because the main site of microbial activity is in the thin water film on the surface of particles.The chemical nature of all the weeds under study was acidic in reaction with pH values varying between 5.1 and 6.3.

Content of oxidizable OC in general varied from 30.6 to 55.0%, higher values with lantana and lower with mikania.As in the case of oxidizable OC, relatively higher N was also observed in lantana followed by macranga , chromolaena and mikania.C:N ratio was almost similar in all the species,hydroponic nft ranging between 26.0:1.0 and 30.0:1.0.However, the substrate materials with higher N content or with narrow C/N ratio are always desirable in decomposition process, since N is supposed to promote the multiplication and activity of microorganisms, there by shooting up the decomposition at an increasing rate.Among the other major nutrients, P varied between 0.09 and 0.29%and K between 1.8 and 2.2%.Both P and K were higher in chromolaena.The percentage content of important mineral nutrients did not vary widely between the weeds, whereas the C:N ratio of the weeds varied between 26.0 and 30.0, the desired value being 25.0–30.0.The optimal start up conditions helps to promote the decomposition of weeds.The proper balancing of nutrients, content of moisture and aeration were noted as essential factors for effective conversion to humic mass.All the weeds such as chromolaena, lantana, macaranga and mikania used as feed stock in this study meet the required C:N with adequate content of nutrients.Temperature is one of the most important indicators, which rebound in the process of decomposition of organics and changes in microbial activities.The change in temperature occurred in the weed biomass with the elapsed time are illustrated in Fig.1.This figure portrayed that the temperature in the weed stack, applied with various inocula viz; cow dung, urea, microbial consortium and jeevamrutham got elevated and reached to a peak of about 54.0 °C, 63.0 °C, 53.0 °C and 66.0 °C respectively after 10 days of decomposition process while the control pile remained with 48.0 °C.It was also noted that all the piles attained thermophilic temperature shortly after stack establishment.The temperature in the weed biomass applied with urea, microbial consortium and jeevamrutham reached the highest levels on 3rd day and continued to remain at higher levels in the following days.This high temperature was enough for destroying the microbial pathogens, and to assure rapid degradation of weeds.During the formation of humic substance, the heap applied with urea attained the highest temperature at 4th day and the lowest at 50th day of composting.However, the maximum temperature attained in the heap applied with jeevamrutham was on par with urea and microbial consortium, and the same heaps attained a temperature of >70.0 °C on 3rd day itself, which is definitely due to the intense activity of microorganisms.During the initial activation days, the simple organic compounds such as sugars are mineralized by microbial communities and produced CO2, NH3, organic acids and heat.The optimum range of temperature in the decomposition process was 40.0–65.0 °C allowing to kill pathogens above 55.0 °C.During this phase, thermophilic microorganisms deteriorate cellulose and lignin in the substrate materials.

Finally, during the maturation stage, the temperature slowly decreased owing to the reduced microbial activity resulting from a diminishing stock of biodegradable compounds.The hike in temperature during the initial days of the experiment is due to mineralization and transformation of organic matter,whereas in the later stage, the stabilized condition resulted in scaling down the production of heat.The initial boosting of temperature varying between 48.0 °C and 72.0 °C within a short time of stack establishment in this study is due to the intense microbial activities triggered by the application of additives; cow dung, urea, microbial consortium and the farm derived microbial formulation.Normally, temperature varies over time and by the shape of the decomposing stack, and followed a pattern consistent with degradation of organic feed stock by microorganisms.In the last phase of maturation, bacterial numbers decline and fungal population increases in all the treatments as easily decomposed material got exhausted.At this stage recalcitrant materials dominate and temperature decline to the ambient level.Application of additives to decomposing organics is supposed to have significant impact on the period of decomposition.In the present study, the time taken for decomposition of weed biomass without any additives was 120 days.But, the period got reduced to 100, 70, 94 and 75 days with the addition of cow dung, urea, microbial consortium and jeevamrutham respectively.Application of microbial consortium and jeevamrutham could reduce the decomposition period from 120 days to 70–75 days, while the reduction was only up to 100 days with cow dung.The intense activity of vast numbers of microorganisms such as bacteria, fungi and actinomycetes coupled with relatively higher content of N, contributed from cow urine as well as pulse flour might be the probable reason for intense decomposition and subsequent reduction in jeevamrutham applied piles.Results of the study pointed out that microbial formulation namely jeevamrutham was equally effective with laboratory produced microbial consortium in reducing the period for converting weed biomass to humic substance.Moreover, the practice of application of urea during the process of decomposition can be eliminated by the use of microbial inoculum.Quality evaluation of humic mass produced from weeds was carried out with respect to various basic physico-chemical properties, nutrient potential, and presence of toxic contaminants.Those humic substances in general were with acceptable color, i.e., coffee brown.The heat generated during the initial period of experiment is believed to have profound effect on the color of the final product.

The heat generated during the process generally depends up on the type of feed stock and activity of microorganisms.The coffee brown color of humic substances generally indicates high content of OC, which is considered as the key factor for organic farming.The content of moisture in the final humic substances were 20.3%, 20.8%, 22.3%, 22.1% and 23.6% in control, cow dung, urea, microbial consortium and jeevamrutham applied treatments respectively.The higher content of moisture was associated with jeevamrutham applied treatment and lower in weed biomass alone.In the composting technology, moisture content between 40.0–60.0% of raw materials is normally recommended for the success of composting.Biological activity will be slow if the compost heaps start to dry and virtually cease if it dries out.During the maturation stage, lower moisture content is desirable as the compost become lighter, hydroponic channel making it easier to mix and increasing the shelf life.Content of moisture in the compost samples normally varied with the type of the raw material and season of the climate.According to the FAI , 15.0– 25.0% is the desired level of moisture in the finished composts.Moisture content less in the composts may not have been stored for longer period due to the preeminent moisture loss, whereas the excessively dry composts is usually dusty and unpleasant to handle.The bulk density of composts varied from 0.56 to 0.82 g/cm3 dry matter, with highest values with control.Application of various inocula could reduce the bulk density of final compost as observed in the treatments with urea , microbial con-sortium , cow dung and jeevamrutham.According to Indian regulatory rule of organic manure, bulk density is measured on dry weight basis as an indicator of particle size, and also indicates organic matter as well as inert material/ash content.The lower bulk density of the composts is desirable because it helps to increase the water holding capacity of soil when applied continuously for longer period of time.The important chemical characteristics of humic mass such as pH, TOC, oxidizable OC, N, C/N are given in the Fig.6.pH is an important property deciding the quality of this final decomposed product.In the present study the humic mass produced in all the treatments were alkaline in reaction with the values varying between 7.7– 8.3.

The lower pH was reported in weed biomass alone and the higher value in the treatment applied with jeevamrutham.Compared to the substrate materials, pH was high in the finished products of all the treatments.A good quality compost is supposed to have a pH between 6.5 and 7.5.However, considering the acidic nature of the soils of Kerala, the matured decomposed mass with pH more than 6.0 are beneficial for improving the chemical condition of the soil.pH was found to scale down at the end of decomposition, and this decline is mainly due to the volatilization of ammoniacal N and hydrogen ions released through the nitrification activities of nitrifying bacteria as well as the emission of large volumes of CO2.Carbon farming is mainly intended to enrich the soil with carbon, which is mainly dictated by the total organic carbon and dichromate oxidizable OC, and the values in this study varied between 22.8 – 39.4% dm and 19.6 – 33.8% respectively.There has been a strong relationship between oxidizable organic C and TOC valuesin the humic mass produced from weeds.They were with higher content of TOC obviously due to the higher carbon stock in the feed stock.As per the FAI guide lines, the oxidizable organic C in an ideal compost for soil application must be ≥ 16.0%.The decline in oxidizable organic C observed during the process of decomposition is definitely due to the microbial decomposition of organic substrates , as microorganisms consume carbon for energy.A decrease of oxidizable OC was considered as an indicator of maturity and stability of composts.C/N ratio is an important property governing the quality of humic substances produced after decomposition, the ideal value being < 20.0:1.0.The C/N ratios of most of the humic mass produced in this study were below 16.0:1.0, indicating a relatively higher content of N than C, which automatically leads to faster mineralization process, on application to soil.The CFU values of bacteria, fungus actinomycetes were more in the humic mass produced using farm derived jeevamrutham and comparatively very less in control and urea applied treatment.The treatment with microbial consortium ranked second after jeevamrutham.The species isolated were Bacillus sp, Pseudomonas sp, Erwinia sp.etc.Among these, Bacillus sp.are normal inhabitants in soil.Some fungal pathogens were present in all the samples and the major fungal species were aspergillus, rhizopus, mucor etc.The fungi Fusarium oxysporium was isolated from the treatment without any inoculum.These organisms prevent the proliferation of bacterial pathogens by increasing temperature, and thus facilitating the growth of thermophilic microbes.The phenolic and carboxylic acid groups of phyto chemicals present in the humic mass are also supposed to impart resistance against pathogens.The world population is expected to increase to 9.5 billion people in the next 40 years.This calls for an increase of over 60% in food production worldwide at least by 2050 to combat the crisis faced by the continuously increasing population.Unfortunately, natural resources such as: land meant to sustain food production and meet the demands of such an expected population increase are diminishing coupled with the high cost of the limited existing land.

A noteworthy strength of our observational data is that it reflects actual mask use

The management of this crop by flooding requires more water per unit area than in other irrigation systems.In Brazil, the Federal States that produce rice in greater quantities are Rio Grande do Sul, Santa Catarina, and Tocantins, responsible for, respectively, 73%, 8%, and 11% of national production.In general, the rice crop is produced from irrigation by furrows or flooding.Although the levels of exposure of receptors to hazard may differ among the irrigation methods, the similar approach was adopted in the application of the methodology, as both take into account the flooding of the area.It is also worth noting that the SqMRA methodology must be applied in each project, individually, considering that the exposure levels may vary depending on the local characteristics and operational conditions of irrigation, harvesting, and storage.Thus, this generalized approach, adopted in the present study, is configured only for scientific studies, since the action can lead to a high degree of uncertainty.The data adopted for the application of the SqMRA methodology in rice cultivation in Brazil are presented in Table 8, according to the model previously described its stages and steps.Notes: 1 The SqMRA was applied in two scenarios, in which the first considers the effluent to be disinfected , and the second considers the reality of sewage treatment conditions in Brazil.2 Inhalation is attributed to aerosols,hydroponic gutter generally produced in a sprinkler irrigation system.Although intense winds can also produce these types of micro-droplets in flooded systems, inhalation was not scenarioized in the present paper, for simplification purposes.

However, in cases of application of the methodology in places with the possibility of high winds, it should be adopted for farmers and neighborhoods.The barriers adopted, defined as actions after the harvest, relate only to consumers since the farmer harvests the rice in nature.Given the perspectives and the Brazilian reality, in terms of the quality of treated wastewater, the SqRMA was applied in two different scenarios.In the first one, we chose to adopt Hazard equal to 7, due to the prerogative that a disinfected effluent guarantees more safety to the practice.However, the reality about wastewater treatment in Brazil shows that most of the effluent is treated at a secondary level, without disinfection.Thus, the second scenario relies on the application of the methodology, considering Hazard equal to 9.The complete spreadsheet is available as Supplementary Material.This spreadsheet was developed to facilitate the use of the methodology in other applications and regions, but care must be taken, each case is a case and this methodology represents a real portrait of this case.However, it is important to pay attention to the indiscriminate use of the available spreadsheet, since the user must always apply it with great care, considering the real local characteristics of each irrigation water reuse project.The results presented in Table 6 demonstrate the feasibility of applying water reuse for rice cultivation in Brazil, about aspects of epidemiological risk.As expected, and in accordance with previous observations from other authors, there is an estimate of a higher risk of microbiological contamination for the farmer than for other receptors.Despite the high possibility of contact between the farmer and the RW, the estimated global risk is still in the acceptable level.

In the case of the neighborhood, the risk is greatly reduced because the irrigation method is different from sprinkling and presents a lower possibility of producing micro-droplets that could be inhaled, as already mentioned.But still, it is in the acceptable category.For the consumer, low risk was also expected, due to the processing and cooking of the rice before consumption.However, it should be noted that these risk values may vary depending on the specifics of the configuration of each reuse system, since there may be situations that enhance certain types of contact.For this reason, to calculate the global risk, two procedures were adopted: i) considering the three receptors adopted in the study; and ii) considering only the 2 main receptors involved since the possibility of several receptors, with multiple handling criteria, involved after harvest could change the final value of the global risk.Thus, should be emphasized that for the application of the methodology in a real project, all possible receptors, from irrigation to the final consumer, must be taken into account in conjunction with the food safety procedures needs according to respective regulations, when in place.It should also be noted that when considering all workers involved in the production process of rice irrigated with RW, is possible to minimize risks by introducing capacity building and systematic use of equipment and safety habits.The States of Rio Grande do Sul and Santa Catarina, identified in the present study as responsible for 80% of the Brazilian production of rice, are comprised, almost entirely, in the River Basin of Uruguai andAtl^antico Sul and require, in general, approximately 382 m3 /s of water for irrigation.However, the two RBs present a service rate with domestic wastewater treatment at 30%.

Similarly, the RB Tocantins-Araguaia, which involves practically the entire State of Tocantins, has a demand of approximately 60 m3 /s for irrigation but also has a low rate of wastewater treatment.The relationship between the Brazilian states highlighted in the study and the River Basin Districts also highlighted can be seen in the schematic map in Fig.3.The scenario of high demand for water for irrigation and low production of treated effluent shows the difficulty of structuring water reuse, although the water demand for rice crop production in these regions is high and the risk of contamination of human beings is moderate, as demonstrated by the application of methodology.The RW was defined in two categories to assess the potential for reuse in Brazilian RB, as a function of water quality: Category 1 – RW from wastewater treatment plants that have an organic matter removal higher than 80%; and Category 2 – RW from wastewater treatment plants which, in addition to having an organic matter removal of more than 80%, have disinfection.In this sense, considering the three RB , the potential for supply of reclaimed water in Category 1 is 2.53 m3 /s and in Categories 2 , of 1.12 m3 /s.Since Category 2 , equivalent to Hazard equal to 7 , represents the lowest available water potential for reuse, it was decided to repeat the process of applying the SqRMA methodology, considering hazard equal to 9, which represents Category 1.The results for this reiteration can be seen in Table 10.This reiteration in the application of the methodology presents a very relevant result, in which when offering water corresponding to a secondary effluent , even the estimation of risk for the farmer changing from acceptable to unacceptable, the overall risk remains in the acceptable level, although quite close to the limit of the maximum value.Furthermore, the risk for the farmer can be reduced with equivalent barriers, such as rubber gloves and boots, consequently reducing overall risk.In this sense, it can be highlighted that Uruguai, Atlantico Sul, and Tocantins-Araguaia River Basin have a high potential for the application of water reuse in the irrigation of rice crops by furrows or by flooding, with an acceptable risk of microbiological contamination of human beings involved in the practice.

However, it should be noted that the study deals with a generalized scientific approach and, in the case of a real application, all those involved must be carefully evaluated and the scenarios must be exhaustively studied, also considering the use of additional risk minimization means, such as equipment and safety habits among the workers in each sector, to provide more safety for the practice.It is also noteworthy that in Asia, the largest producer of irrigated rice in the world, the crop represents 40–46% of the irrigated area among all other crops.The water reuse in China has become the main objective of WWTP in the new era of wastewater treatment in the country.In this sense, a good way to solve the problem of water scarcity is to increase water productivity, corroborates the results of the present research.In the case of irrigated rice, it is important to determine the economic and energy implications when considering water reuse options to improve water productivity at the system level.The novel coronavirus has killed millions and shut down entire countries.Yet the danger was not always this clear.In late December 2019, China reported over 40 cases of unusual pneumonia to the World Health Organization.By January 25th, Beijing, Shanghai,u planting gutter and many other provinces had declared public health emergencies, and most cities in Hubei went into lockdown.During this time span, it was unclear whether the virus was a rumor, how deadly it was, or how it spread.In three studies, we investigate how people in China reacted to COVID-19 during this early window of uncertainty.We find evidence that people in some regions reacted more proactively to this ambiguous threat.We test two broad categories of predictors: objective risk factors and subjective cultural factors.Analyses reveal that culture—not simply objective risk—explains meaningful differences in how people responded.At the onset of the COVID-19 pandemic, our research team observed whether people wore masks in public spaces.Day 0 of our observations was January 23rd, 2020, the day Wuhan went into lockdown.We observed people at eight sites across seven Chinese cities for two weeks.We ended our observations when mask use was nearly universal.However, a limitation to the data was the number of researchers we could deploy quickly and safely.Thus, to supplement the data, we surveyed people from a broader range of provinces on when they started wearing masks.Finally, we triangulated the findings against web searches for “masks,” which are less direct but provide more data points and a complete geographic coverage.

In reviewing previous studies on mask use, we identified three limitations.First, most studies relied solely on self-reported data.This could be problematic as people may feel pressured to report that they wore masks even if they did not—meaning self-reports may not reflects actual mask use.In this study, we measure both self-reports and observed behavior, which allowed us to test whether the results converge.Second, few studies have tracked mask use over time.One notable exception is a Hong Kong study, which found that mask use increased from 12% to 67% during the first seven days of the SARS outbreak.Studying response change over time is crucial as early action can save lives.For example, analyses estimated that implementing COVID-19 measures seven days earlier in the United States could have drastically reduced cases.Third, the few observational studies of mask use we found were limited in the locations and lengths of time tracked.For example, a study of mask use during H1N1 only observed two subway stations in Mexico City.Our study expands on this approach by covering multiple, diverse regions.This richer dataset allows us to explore a range of cultural factors beyond basic demographics like age and gender.We move beyond prior research on masks by testing for less obvious cultural differences that might influence mask use.One feature of collectivistic cultures is interdependence—a view that people are, or should be, dependent on each other.Such a worldview could increase mask use because, even if people are unafraid of risking their own health, masks could prevent them from transmitting the virus to others.Even before the COVID-19 outbreak, some cultural observers argued that wearing masks in Japan symbolized an obligation to protect others from the wearer.In contrast, some people argue that mask mandates infringe on individual freedoms in individualistic cultures like the US.One important study found that mask use was higher in more collectivistic nations and US states that scored higher on collectivism measures.Another cultural influence on mask use could be norm tightness.All societies have social norms—ideas about what behaviors are proper and not.Yet some societies have tighter norms than others.Recent research suggests that tightness varies within China.Specifically, norms are tighter in more developed provinces, as well as provinces that farmed rice in the past.Tight norms come with costs and benefits.Tight societies generally have stricter rules— which seems to conflict with out-of-the-box thinking and innovation.For example, tighter societies have fewer patents for inventions.However, tight norms can help societies respond to danger.Tighter societies tend to have more social order , which might facilitate strict mask policies.

A range of development initiatives to support small-holder agriculture exist in India

Of those, the watershed development program has been the most employed strategy since the 1990s and has focused on socio-economic development through modernizing agricultural production in India’s drylands.The annual investments in WDPs were approximately 4 billion USD between 2009 and 2012 , indicating the program’s magnitude.Currently, it is amalgamated into a larger program under the ministry of land resources with a similar scale of funding.WDPs encourage the promotion of intensive production systems , which are perceived as ideal for developing countries.WDPs, therefore, have been identified as key drivers triggering rapid transitions in farming systems.A recent study mapped the transitions in agriculture and farming systems in a region in Telangana.It also analyzed the effect of transitions in farming systems on smallholder livelihoods in the last 20 years.The study region was subject to various development programs, of which WDPs were the predominant one.That study, in line with other literature , indicate that farming systems before 1997 were primarily subsistence-oriented, with mixed crop-livestock production and where livestock had diverse functions.However, the subsistence farming system dwindled between 1997 and 2015, and specialized and market-oriented production systems emerged.The role of livestock became limited to the food production function.This was also accompanied by a significant change in land use, where croplands increased by 45% at the expense of wastelands that decreased by 75%.Increased regional production with land-use change led to groundwater scarcity in the region.In the end, the study also reported that some HH broke the socio-economic and cultural barriers to climb the “livestock ladder” to engage in, e.g., dairy farming.However, other HHs became marginalized and/or dropped out of the agricultural sector.

A plethora of articles have been published in the early 2000s on the agricultural and economic benefits of WDPs.Later articles indicated sub-optimal program outcomes due to various social, technical,4x8ft rolling benches and institutional issues.However, there is little information about the characteristics of the emergent farming systems and their economic and/or environmental performance.As indicated by Kuchimanchi et al., the fact that rapid transitions have occurred in the area, that more intensive forms of agriculture with altered crop-livestock interactions have led to higher input use, production costs, and investments ; or that development usually entail multiple trade-offs and undesired effects , calls for further research.Therefore, the aim of this study is to gain insight into the characteristics of emerging farming systems and their economic performance in a dryland region of Telangana, India, that has undergone rapid transitions in farming systems.This knowledge will help enhance the customization of WDPs and other development programs and ensure that their impact is sustainable.The two study watersheds are in the Rangareddy and Nagarkurnool districts of Telangana, India.For this research, we considered the administrative boundaries of the villages falling within the watershed, given that the secondary data are aligned with administrative boundaries.The first watershed covers four villages inhabited by 1820 HHs, and the second covers three villages inhabited by 1186 HHs.The HHs in the region are primarily agrarian , and 8.5% are engaged in non-agricultural activities due to higher education or acquiring non-farm skill sets.The predominant land category in the study region is cropland.The study region falls within the Deccan Plateau and Eastern Ghat agro-ecological sub-region 7.2.The area is characterized by deep loamy and clayey mixed red and black soils, with medium to very high available water capacity and a growing season duration of 120–150 days.The climate is characterized by hot, moist summers and mild, dry winters, with an aridity index of 0.2 ≤ AI <0.5.It is therefore classified as a semi-arid region.These districts are drought-prone, with an annual rainfall of 500–700 mm.We collected data in a stepwise approach to characterize the farming systems existing within the study region.The first step consisted of conducting a HH survey in both study watersheds in 2015.It involved face-to-face interviews with household heads using a structured questionnaire.

The data collected in the survey provided an overview of the population: types of livestock reared and herd sizes; farm sizes and categories of farming HHs ; and caste groups present in the region.The caste system in India is a social hierarchical classification of communities based on occupation, which has evolved since ancient times.Based on the government classification, we considered the four main groups: forward castes , backward castes , scheduled castes , and scheduled tribes.Of the 3006 HHs surveyed, 241 had no cropland or reared livestock, and they were excluded from the study.In the second step, we used the data from the household survey to classify the HHs according to the farming system.Our classification method was adapted from studies by Ser´e and Steinfeld , Kruska et al., Notenbaert et al., Robinson et al., and Alvarez et al..The classification was based on two variables: ownership of cropland and dominant livestock species reared.We identified the following farming systems: crop without livestock , crop with dairy , landless with livestock , crop with small ruminants , and crop with diverse livestock , as described further in the Results section.We conducted five focus group discussions, in the third step, one for each farming system.The participating HHs were randomly selected from the survey list.These discussions were intended to gather information on various qualitative characteristics of each farming system.Within each farming-system category, 30 HHs were randomly selected, and 1–2 members of each household were invited to participate.The gender composition of the focus groups was mixed, with participation varying from 25 to 30 people per group.Measures were taken to ensure proper representation from all farm-size categories and social groups mentioned above.If the representation of one of these categories was lacking, we substituted a randomly selected household from the over-represented group with one from the under-represented group.Each focus group discussion lasted 2–3 h and was conducted in the native language.To ensure that the objective of the discussions would be met, a detailed list of questions was used to guide the discussions.The key questions involved characteristics of current farming systems, including cropping and livestock-holding practices, farm infrastructure and use, off-farm jobs, access to fodder and water resources, livestock markets, and animal healthcare.The presence of different groups in each focus group discussion allowed to contrast potential divergent views between groups ‘in situ’.However, and to avoid domination by the wealthy, elderly, or socially forward groups, and to ensure that sufficient time was allocated for documenting information,each focus group discussion was moderated by an experienced facilitator.

All discussions were documented on charts to maintain transparency and enhance interaction with participants.We ultimately combined the quantitative data from the household survey with qualitative data from the five focus-group discussions to characterize the different farming systems.In the final step, we collected data on the economic performance of various farming systems in the study region.Although five farming systems were identified and characterized, we limited economic data collection to the three systems with consistent income from agriculture , based on the information derived from the focus-group discussions.The HHs to be surveyed were selected according to a two-stage sampling process.In the first stage, we selected the village in each watershed with the highest presence of all farming systems.From the selected village i.e.Thalakondapalle, 75 HHs were randomly selected from the complete household list.The selection for the survey was finalized only after HHs expressed their willingness to participate.Those declining to participate were replaced by new HHs until a sample of 25 HHs per farming system was reached.We compared the distribution of castes and farm size among selected HHs to ensure that they were representative of the total regional population.Data on the economic performance of the 75 HHs were monitored once every fortnight from August 2015 to August 2016 across all agricultural seasons in India: monsoon season , winter , and summer.Each household was provided with a data-collection booklet to record data, which data collectors cross-checked at regular intervals.Herd size was expressed in tropical livestock units.The conversion factors were cattle , buffalo , sheep/goats , and poultry.Labor was analyzed according to family type , assuming two working units for nuclear families and five working units for joint families.For the caste grouping prevalent in India, we considered the four main groups: FC, BC, SC, and ST,flood and drain table based on the Indian government classification.We estimated total revenue, costs of production, and gross margins at the household level as follows.The total revenue earned by a household was calculated based on the total quantity of different crop and livestock products sold multiplied by the market price, as obtained from the survey.The total costs of production were calculated based the total input costs for crop or livestock production, hired labor, and rented farm machinery costs, but excluding capital costs.The total GM was obtained by subtracting total costs of production from total revenue.All economic calculations were performed in Indian rupees and then converted to US dollars at an exchange rate of 71 INR.

The statistical analysis was to determine differences among farming systems and to gain insight into factors determining economic performance of those systems.The statistical analyses were performed using the statistical program GenStat , with a significance level of 0.05.To explore whether land use or herd size of HHs would differ across the farming system and/or between watersheds, we performed some preliminary statistical analysis.That analysis showed relevant differences across farming systems only, but not between watersheds.Hence, we performed an ANOVA with a post hoc Tukey test to identify differences in terms of land use and herd size across farming systems.To explore the economic performance of the three farming systems and gain insight into the factors contributing to it, we undertook a two step approach: ANOVA with post hoc Tukey test to identify differences in economic performance across farming systems, and a general linear model for each farming system to identify factors contributing to the GM.In the GLM model, the dependent variable was GM, with the independent variables of herd size, farm size, caste, and family type , along with all two-way interactions.Caste, labor, and their two-way interactions were not significant in any of the farming systems, and they were therefore removed from the model.Given the skewed distribution indicated by the GLM, we followed the approach described by Kuchimanchi et al.for the statistical analyses, converting the values into their natural logarithms.To ensure that values of 0 would also be transformed, we added one unit to all values.Once the tests were run, the mean values and confidence intervals were then back-transformed and one unit was subtracted from each value.This system accounted for the highest proportion of HHs.Most of these HHs were either marginal or small farmers , with medium farmers constituting 21% and large farmers constituting only 2%.The HHs in this system owned very few bore wells, which were seasonally functional.Cropping was thus predominantly rain-fed, with limited irrigated crop production.Low water availability limited crop farming in this system to one agricultural season per year.Mono-cropping of cash crops was predominant.Farmers reported that cropping practices were intensive and required higher investments, as they grew mainly cash crops, rented farm machinery, and used hybrid seeds and inorganic fertilizers.They added that cash crops were preferred to food crops, given their higher market value.These HHs mainly sold the produce, and the crop residues were either burnt or tilled back into the soil.Participants in the focus groups added that increased drought conditions over the years had led to failed crops, reduced yields, and increasing debts.These HHs owned no livestock due to diminishing common property resources for grazing, less family labor, or limited capacity to hire labor or invest in leasing lands for grazing or bore wells.The limited availability of water resources further inhibited them from taking up dairy production.A lack of livestock resulted in greater use of inorganic inputs in crop farming, as livestock manure was unaffordable.Many HHs therefore opted to take off-farm jobs in order to earn income, although they noted that such jobs were not adequately available.Most of the HHs also depended on the public food-distribution system to meet their food needs, as they cultivated mainly cash crops.The second most prevalent category was the CD system.Most of the HHs in this system were medium and small farmers , with marginal farmers constituting 15% and large farmers constituting 12%.The HHs in this system grew cash crops in combination with food crops and perennial green fodder.

Organic farming methods are also touted to lower greenhouse gas emissions

Furthermore, organic farming encourages on-farm agrobiodiversity, both through the diversity of plant varieties cultivated , and improves farmers economic profitability.Organic farming aims at creating a sustainable agricultural production system, including economic, environmental, and social sustainability.In Ghana, the potential of organic and its suitability as a future solution to some key farming system challenges is still not recognised.Studies on cocoa production in Ghana often focus on one dimension of sustainability.Thus, this study to the best of our knowledge will provide the first holistic sustainability assessment of organic and conventional cocoa farming systems in Ghana.The study seeks to answer the question, does the sustainability performance of organic cocoa farming system in Ghana differ from conventional farming? The Organic Farm System for Africa database made available by Research Institute of Organic Agriculture for analysis.The dataset provided information for over 300 indicators covering 6 themes and 14 sub-themes for the environmental integrity, four themes and 14 sub-themes for economic resilience, six themes and 16 social well-being sub-themes and five themes and 14 sub-themes for good governance.In Atwima Mponua District , a typical cocoa farming system is defined based on the predominance of smallholder cocoa farming households, engaged in either practicing conventional i.e., “business-asusual” or based on initiatives termed environmentally friendly.Cocoa farming systems are characterised by the different crops grown,vertical grow system and the livestock types reared.Cocoa farming systems used both family and hired labour for farming activities.

The organic cocoa farms are certified through Internal Certification System.These criteria guided the selection of 398 cocoa farmers, out of which 71 were organic cocoa farmers, with 327 conventional cocoa farmers.The OFSA covered three months data collection period from December 2016 to February 2017.Sustainability performance in terms of environmental integrity is illustrated in Fig.3.The five sub-themes, waste reduction and disposal, energy use, material use, genetic diversity and species diversity showed the highest sustainability performance between 60% and 80% for both organic and conventional cocoa farming systems.The lowest sustainability performance was shown by soil quality and freedom from stress for both organic and conventional farming systems that fell between the scale of 20% and 40%.Sustainability performance with respect to greenhouse gases fell within the scales 61%–80% and 40%–60% for organic and conventional farming systems, respectively.Sustainability performance of animal health and land degradation fell within the scales 41%–60% and 21%–40% for organic and conventional farming systems, respectively.Mean rank difference between the different farming systems based on the sub-themes of Environmental Integrity is shown in Table 2.Mean rank scores for the organic farming system ranged between126.3 and 260.6.Mean rank scores for conventional farming system ranged between 103.2 and 199.6.The two cocoa farming systems differed significantly for all the sub-themes except for waste reduction and disposal, and freedom from stress, where the pvalues were above p = 0.05.Economic resilience sustainability performance is illustrated in Fig.4.The risk management and profitability sub-themes showed the highest sustainability performance between 61% and 80% for both organic and conventional cocoa farming systems.The seven sub-themes, community investment, long-ranging investment, the stability of production, the stability of the market, product information, liquidity and value creation showed moderate sustainability performance for both organic and conventional farming systems that fell between the scale 41% and 60%.

A lower sustainability performance was shown by internal investment and stability of supply for both organic and conventional farming systems that fell between the scale 21% and 40%.Food safety and local procurement showed the lowest sustainability performance between the scale 0%–20%, for both organic and conventional farming systems.Mean rank difference between the different farming systems based on the sub-themes of Economic resilience is shown in Table 3.Mean rank scores for the organic farming system ranged between 191.2 and 259.2.Mean rank scores for conventional farming system ranged between 186.6 and 202.0.The two cocoa farming systems differed significantly for most sub-themes with the exception of, community investment, long-ranging investment, the stability of production, the stability of supply, risk management, food safety, value creation and local procurement, where the p-values were above p = 0.05.Social well being sustainability performance is illustrated in Fig.5.Workplace safety and health provisions showed the highest sustainability performance between 60% and 80% for both organic and conventional cocoa farming systems.The lowest sustainability performance was shown by seven sub-themes, capacity development, rights of suppliers, forced labour, child labour, freedom of association and bargaining rights, non-discrimination and food sovereignty for both organic and conventional farming systems that fell between the scale 20% and 40%.Sustainability performance of fair access to means of production fell within the scales 21%–40% and 0%–20% for organic and conventional farming systems, respectively.Sustainability performance for gender equality and support to vulnerable people fell within the scales 61%–80% and 41%–60% for organic and conventional farming systems, respectively.The mean rank differences between the two farming systems within the sub-themes of Social well-being are shown in Table 4.Mean rank scores for the organic farming system ranged between 189.2 and 266.2.Mean rank scores for conventional farming system ranged between 185.0 and 201.7.

The two cocoa farming systems differed significantly for some subthemes with the exception of, quality of life, capacity development, fair access to means of production, responsible buyers, rights of suppliers, employment relations, forced labour, workplace safety and health provision, public health and food sovereignty, where the p-values were above p = 0.05.In a review of farming systems by Seufert & Ramankutty , they also concluded that overall farm sizes of organic production are smaller.The current study is consistent with a study by Seufert & Ramankutty who found that organic farming is labour intensive in terms of weeding.Overall, the organic cocoa farming system spends more labour hours per season on various cultural activities compared to conventional.The organic farming system requires more labour than conventional systems , especially for labour-intensive commodities, fruits, and tree crops.As suggested in the literature, organic can have positive effects on environmental outcomes.In the case study, a limited to good performance was found in the two cocoa farming systems, not only for the organic farming system.Indeed, the studied conventionally managed cocoa farms are characterised by low-input operations with low use of synthetic fertilisers and pesticides.The organic farms, on the other hand, use low or no organic inputs explaining the greenhouse gases scales of 61%–80% and 40%–60% for organic and conventional farming systems.Akrofi-Atitianti et al.also found low input use in Atwima Mponua District.Similarly, in Ethiopia, Winter et al.found a moderate to good environmental performance for conventional and certified coffee systems and attributed it to the low use of external inputs.Our analysis showed that the organic farming system is better in greenhouse gases emission reduction and in terms of improvement in air quality.According to Akrofi-Atitianti et al., a major driving force for an improved performance for organic in terms of greenhouse gases is the low or no use of inputs.Similar studies in Ecuador by Bonisoli et al.for banana cropping system is consistent with the findings.The finding is also verified by Fess and Benedito that organic farming promotes carbon sequestration and reduce greenhouse gas emissions.

Organic farming systems showed better water management practices, such as the treatment of waste water in terms of disposal or reuse, water storage capacity and the use of rainwater compared to the conventional farming system.Studies conducted by Bonisoli et al., Berbe´c et al.and De Olde et al.found a statistical difference between organic and conventional in Poland, Denmark, and Ecuador, respectively.We observed measures that reduce land degradation in organic farming system to be significantly higher compared to the conventional farming system.Other studies show that organic farming contributes to soil building and soil structure by improving the cation exchange capacity of soil biotic and physical properties.In our case study,mobile grow system organic farming systems are more diverse in terms of ecosystems, species and genetics compared to conventional.Those findings are consistent with Bandanaa et al.who found high flora diversity in organic cocoa farming system compared to conventional in the same geographic context.In terms of material use, energy use and waste reduction, the current study found the organic farming system to be significantly better in performance compared to conventional.The literature says organic farms tend to be more energy-efficient than conventional.Our results showed that in most sub-themes, the sustainability performance ranged from unacceptable to good performance for both organic and conventional cocoa farming systems.In many sub-themes such as, community investment, long-ranging investment, the stability of production, the stability of the market, product information, liquidity and value creation, the performance is moderate for both organic and conventional farming systems.Moderate performance exposes farmers of both cocoa farming systems to market shocks in terms of cocoa prices.In the case study, the organic market is not well established.Some farmers sell most of their organic beans as rain forest beans or conventional.This is because the premium obtained by selling organic beans is often delayed.Winter et al.also made similar observations for coffee farming systems in Ethiopia, as farmers sell their coffee to private buyers as conventional produce.

The mean difference between organic and conventional farming systems explained that six of the sub themes in organic were significantly different from conventional.Other empirical studies showed that organic farming is economically better than conventional in terms of investment.The organic farming system is more profitable than the conventional system due to price premiums, most especially so when the crops are grown for exports.The current study found in many sub-themes, such as “Internal Investment,” “Profitability,” and “Liquidity,” that organic farming system is significantly better than conventional.Though both cocoa farming systems are exposed to market shocks, organic cocoa farmers will always receive a premium on the cocoa beans either sold as organic or RA.Also, the organic farming system enhances food quality and product information compared to the conventional due to improved traceability.The social well being sustainability performance ranges from limited to good performance.The lowest sustainability performance of most sub-themes was labour related.In the case study, mostly family labour or hired labour is used in farm operations.Berlan verifies the finding on the use of family labour in cocoa production in Ghana but adds that, it is unacceptable if children are being involved in hazardous activities.Other studies in Nigeria confirms the use of family or hired labour in cocoa production and suggests sharecropping as a dominant labour option due to dishonesty and dedication of family/hired labour.Capacity development, forced labour, child labour, freedom of association and bargaining rights were among the lowest for both organic and conventional farming systems.Especially for child labour, there was no difference between the farming systems because children within the case study were not engaged in hazardous works.According to a U.S.Embassy-Accra, January 2020 report, there is low incidence of child labour in the cocoa sector due to the enforcement of child labor laws and the “conduct of national dialogue on Child Labor Free Zones in the cocoa industry”.The organic and conventional farming system mean rank scores for social well being showed significant differences for mostly labour related sub themes.The results for ‘Freedom of association’ and ‘right to bargaining’ suggest that organic farmers have access to more external labour and the workers bargaining rights.This finding is consistent with Giovannucci et al.study of certified coffee farming system in Kenya, Peru, Costa Rica, Honduras, and Nicaragua.With regards to gender equality, child labour, and support to vulnerable people, there is a significant trend in favour of organic farming system.Studies in Asante Bekwai, Atwima Mponua Districts and India have suggested that organic cocoa farming is a welfare and livelihood enhancer, and promotes gender equality in the workplace and encourages full participation for vulnerable in vibrant rural communities.The organic farming system performed significantly better compared to conventional in terms of indigenous knowledge since traditional and cultural knowledge used by farmers is protected.This is consistent with findings by Ssebunya et al.on coffee farming systems in Uganda and Schader et al.in Africa and Europe.The performance of both farming systems mostly ranges between the scale unacceptable and best performance for this dimension.The lowest sustainability performance was shown by the sub-themes’ mission statement’ and ‘legitimacy’ for both organic and conventional farming systems.Employment conditions on farms are not stable, explaining the low performance in legitimacy.Organic farmers are verbally committed to sustainability topics more than conventional, hence better performance in full cost accounting and mission statement.Similarly, Winter et al.found mission statements to score low among coffee farming systems in Ethiopia.This was explained as Ethiopian coffee farmers partial commitment to sustainability topics and their lack of evidence to show for specific planned improvements.

Dairying is a very labour intensive enterprise but the cost paid by the farmers was not attractive for farm workers

The present study found that, lack of improved dairy genotypes was reported as the fourth important challenge of dairy production.The low production and reproductive performance of local dairy cows was mainly due to their low genetic potential.Lack of access to artificial insemination services, high prices of improved cows and heifers, and lack of capital were mentioned as the main limiting factors for the lack of improved dairy cows.Therefore, breeding programs which enable dairy farmers to crossbreed their indigenous cows with improved dairy breeds either through natural or AI services should be provided by the government and non-governmental organization.Alternatively, the government or NGO should supply farmers with crossbred genotypes with affordable prices to increase productivity together with improved feeding technologies.Lack of access to credit services was ranked as the 5th most serious problem to dairy production.It was reported that, lack of credit to allow farmers for investing in technological changes is a major constraint to intensification among smallholder dairy farmers.Use of formal credit was a major constraint due to lack of securities as most of the dairy farmers are resource poor.Generally, investment in improved inputs was found to be very low, except farmers who kept crossbred dairy animals.The locally available financial institutions such as state owned commercial banks, micro-finance institutes, and private banks provide credits to commercial businesses, and smallholder farmers lack access to credit services from these financial institutions due to lack of collateral security.Moreover, the farmers feared the high interest rate and short repayment period to borrow from bank.This discouraged farmers to borrow money from banks.Therefore, there is a need from the government to encourage financial institutions to provide access to affordable credit services and long-term repayment to help farmers invest in improved dairying inputs to improve productivity of their dairy animals and household nutrition and food security.

Another major constraint identified by respondents was low productivity of dairy cows.This was associated with lack of improved dairy breeds, which was again attributed to their high prices,hydroponic nft lack of or inefficient AI services and shortage of quality feeds, among others.Non-remunerative prices of milk and lack of preservative facilities especially during the long Orthodox Christians fasting periods and higher milk yields in the rainy season were reported as the main constraints for low milk prices.This result supports that of Debrah and Birhan , who reported the low milk prices and demand of milk was attributed to the long fasting season, whereby the Ethiopian Orthodox followers abstain from consuming milk for more than 150 days/year.Respondents reported that they are unhappy with the prices they were getting for milk during long fasting periods.Therefore, to overcome the low demand and fluctuations of milk prices, especially during the long fasting periods, value addition to milk in form of butter and cheese could make a better market for milk after fasting periods or for home consumption.Moreover, the farmers should be encouraged to establish dairy cooperative or milk collection center in order to have access to formal marketing and strong bargaining power in setting fair prices for their products, as well as to obtain improved inputs such as supplementary feeds, AI, credit, veterinary services and drugs at affordable prices through their cooperative.Shortage of water in the dry season was another constraint identified by farmers in the study area.Support from government and nongovernmental organization for water development such as well water and improving municipality water supply are suggested to mitigate shortage of cattle drinking water in the dry season.According to the respondents, the major causes of feed shortage were lack of land, shrinkage of communal grazing lands, severe scarcity of feed in the dry season, expansion of towns encroaching nearby grazing lands, high prices and unavailability of commercial feeds, lack of forage production, inadequate knowledge on how best use locally available feed resources, and lack of access to credit and capital problems.Hence, there is a need for introduction of alternative feeding system, such as efficient use of locally available feed resources, feed conservation, treatment of crop residues, adoption of Urea Molasses-Mineral-Blocks, concentrate supplementation to lactating cows when affordable, and on farm feed formulation from local feeds as substitute to costly commercial concentrates are suggested to alleviate the causes feed scarcity and ensure all year round feed availability, especially for lactating cows.

As indicated in Table 9, farmers’ revealed that high prevalence of endemic infectious and parasitic diseases, lack of routine vaccination, inadequate veterinary services, lack of proper disease prevention skills, transmission of diseases during communal grazing and high cost of treatment as factors associated with animal health problems.Therefore, training farmers’ and provision of adequate health care extension services on diseases control and best health practices, adequate veterinary services and drug supply, routine vaccination for the most common infectious diseases are suggested.The results presented in Table 9 revealed that lack and/or inefficient AI services, low conception to AI, high cost and unavailability of crossbred cows, more vulnerability of improved breeds to diseases, high management and feed scarcity were reported to be the critical factors for non-adoption of crossbred/improved cows.The study suggests improved access to AI, access to long term and low interest rate credit services for purchasing improved animals, and improving the efficiency of AI technicians to reduce the problem of low conception rate are areas that need to be highlighted for alleviation of the problem.The results of the current study indicated that lack of specific financial systems and policy support in relation to credit services, unavailability of rules for dairy animals to be used as collateral security for borrowing from financial institutes, and fear of the short-term repayment and high interest rate that discourage farmers from borrowing are the main influencing factors for access to credit services.For majority of the respondents it was impossible to buy crossbred cows due to critical limitation of capital.Thus, the government should encourage the local government controlled micro-finance institutes to provide long term and low interest rate credit services that fits the dairy farmers to acquire improved inputs and technologies that improve milk production and their income.Low milk price was also considered another challenge to dairy production.The possible influences reported by farmers were poor genetic merit of local cows, lack of crossbred animals, feed scarcity and lack of supplementation, diseases , and poor management practices.Therefore appropriate measure need to be taken to improve access to efficient AI services for crossbreeding the local breed along with improved husbandry practices in order to increase milk production and farmers income.As indicated in Table 9, the low prices of milk was reported to be associated with seasonal fluctuations in demand especially during the long fasting periods of Orthodox Christians, lack of milk collection center and dairy cooperative, and unavailability of appropriate milk processing technologies to add values to milk to increase its shelf-life during fasting periods, and lack of milk price policy based on the cost of production.

In Ethiopia, Orthodox Christians fast for more than 150 days per year.The long fasting periods are 55 days before Easter and 30 days before Christmas.Farmers sell their milk at farm gate to individual consumers or retailers with low and price fluctuations, due to lack of milk collection center and dairy cooperative, which have major influence on dairy farmer profitability.Therefore, dairy farmers should be encouraged to form dairy cooperative to develop formal milk value chain which function ethically and improve their bargaining power in terms of deciding fair prices and reduce price flactuations and income loss to them and off course for the benefits of milk users.At Agaro town, the existing dairy cooperative was not active and need to be strengthened by providing necessary technical and institutional support.The results of the current study further revealed that the labour shortage as constraint was reported to be associated with high cost of labour and its unavailability.Due to this most respondents relied on family labour for dairy management activities.The result showed that dry season hydroponic channel, shortage of municipality water supply during the dry season and labour shortage for feed and water collection for zero-grazed crossbred animals were reported to be the main associated factors for water shortage during the dry season.In this study, surveyed farmers practiced different coping strategies in response to the challenges they faced aimed at reducing the effects of these constraints to optimize productivity and sustainability of dairy production.Generally, farmers’ perceived effect of the identified challenges on dairy animals was poor productive and reproductive performance, whereas the impacts on farmers were reduced income, food insecurity, and increasing the vulnerability in their livelihoods.Respondents’ suggested supports needed from dairy development stakeholders and government to overcome the identified constraints for sustainability of their dairy farming is presented in Table 9.Generally, the supports needed by the respondents to alleviate the identified constraints to dairy production included breeding, economic, feed and nutrition, genetics, health, and marketing interventions.

The impact of climate change and climate variability on agricultural livelihoods in resource-dependent societies has led to numerous national and international initiatives that aim to improve decision-making through the application of weather/climate information services.This reflects the urgency of adapting to global climate change as highlighted by the Intergovernmental Panel on Climate Change report: Global warming at 1.5 degrees and the need for concerted and aggressive measures to ensure weather information services work at all levels of society.WIS involves the generation, provision, and contextualisation of information and knowledge about the condition of the atmosphere at a given place for up to about 14 days for decision-making at all levels of society, thus making it a sub-type of climate information service.Climate information service is a means through which vulnerability to climate change and climate variability might be reduced and improve the resilience of livelihoods.Although most studies indicate that the use of, and interest in, weather/climate information services have increased over the last decade, every empirical research continues to show that information is not used to its full potential.Overall, the empirical literature on weather and climate information services has revealed usability gaps influenced by many factors.Consequently, the World Meteorological Organization launched the Global Framework for Climate Services in 2012 to provide and facilitate access to weather and climate information services.Hence, the forecast information meets users’ varied requirements through observations and monitoring, research, modelling, prediction, capacity building, and the creation of user interface platforms.The information usability gap, a function of both how weather/climate information services are produced and how they are needed and applied by users in different decision-making contexts, is also narrowed.These, indeed, have resulted in an explosion in research on the use of WIS across regions in different sectors, including farming.In Ghana, climate change through global warming causes consequent variability in weather conditions in the form of increasing dry spell length and frequency, early or late rainfall onsets, and reduction in rainfall amount.The effects of climate change have a negative toll on agricultural production, the mainstay of most of the population.Since food crop production is primarily rainfed, the sector is vulnerable to the adverse effects of climate change.In this context, weather/climate information services support farmers’ adaptive decision-making under uncertain conditions.In Ghana, the weather/climate information service was provided only by the Ghana Meteorological Agency, the sole public organisation responsible for producing and disseminating forecast information.In recent times, business organisation and international NGOs are also providing forecast information.The provision of forecast information for farming includes seasonal onset, weekly and daily rainfall, and temperature conditions.The information is delivered mainly through radios, mobile text messages, workshops, TV, mobile phone, information centre, newspaper, community leaders, and social media.Yet, in most farming communities, the radio is the key medium for receiving weather/climate information because it is relatively cheaper and used without electricity supply.Smallholder farmers also often depend on their local knowledge by using various indicators like the appearance of a flowering plant to determine the pattern of rainfall.Farmers apply the information for land preparations, crop variety selection, changing cropping patterns, applying fertilizer, planning planting time, and managing crop risks.Even so, the uptake of forecast information for decision-making in farming is affected by multiple social-economic and cultural barriers.These include inadequate information on seasonal forecast, high levels of illiteracy, the lack of communication of information in the local language, and non-integration of farmers’ local knowledge into the production of forecast information.

Secure land increased farmers’ decision to participate in social groups by 30 percent

Six indices of social capital among the cocoa-based farming households are identified.The density of membership to associations is 0.636, which means that cocoa-based farming households belong to 6 out of 10 associations.Households belong to various associations in order to promote and protect their business interests.The degree of heterogeneity is considerably high in the area of study.This suggests heterogeneous characteristics such as different ethnicities, occupations, religion and neighbourhoods among the cocoa-based farming households.The decision-making value is fairly high in the associations, which implies that most of the cocoa farming household members are actively involved in decision making within the social group they belong.The meeting attendance value is 0.318, which means that the cocoa-based farming households do not attend most of the scheduled statutory meetings.This could be attributed to the fact that the households trekked an average of 0.70 km to designated meeting points.Hence, they only attend meetings whenever important decisions are to be made.The cash contribution value is 0.652, which means that the cash commitment to associations by cocoa-based farming households is relatively high.This shows that cocoa-based farming households are committed to contributing cash to their respective associations.Also, labour contribution has a value of 0.541, which means that the mean labour contribution is 54 days annually.This result compares favourably with Ajani and Tijani.The aggregate social capital, which is the multiplicative value of density of membership, heterogeneity index and decision-making index is 0.568.The result shows that a fairly high level of social capital exists among cocoa farming households in the study area.The factors that influenced the decision to participate in social groups are shown in Table 3.These characteristics include asset, age, years of education, gender, farm size,ebb and flow trays land tenure, loan interest rate, and extension visit.

The negative signs of marginal effects reduce probability of household participation in social groups while positive signs increase the probability of participation.Assets of households significantly affects the probability of participating in social groups.An additional unit of households’ asset decreased the decision to participate in social groups by 10.9 percent.This implies that increase in asset ownership decreases probability to participate in social groups.The age of household head significantly affected the probability of participating in social groups.A year increase in age of household head increased the decision to participate in social groups by 54.8 percent.This could be attributed to the fact that social groups might prefer older farmers to their younger counterparts, because older farmers are more responsible and secured to participate.In addition, due to some cultural beliefs in Africa, younger people might be prevented from participating in social groups.Years of education of household head significantly affected the probability of participating in social groups.An increase in years of education of household head increased the decision to participate in social groups by 7.7 percent.This implies that education gives farmers the ability to access and comprehend information regarding the terms and conditions required to participate in social groups.The gender of household head significantly affected the probability of participating in social groups.A male household head increased the decision to participate in social groups by 17 percent.This could be attributed to the fact that male headed families are willing to take more risk than female headed families.In addition, due to some social-cultural values and norms of Africans, male farmers have more freedom to participate in different social groups compared to the female farmers.The farm size of household significantly affected the probability of participating in social groups.An increase in hectares of farm size increased the decision to participate in social groups by 28 percent.The result implies that farmers with large farms possess the ability and collateral to participate in social groups.Land tenure status of household head significantly affected the probability of participating in social groups.This could serve as a push factor to participate in social groups in order to put resources to optimum use.

Loan interest rate significantly affected the probability of participating in social groups.A one percent increase in interest rate decreased the decision to participate in social groups by 46.6 percent.This implies that high interest rate constitutes a hindrance to loan access.Extension contacts significantly affected the probability of participating in social groups.A contact of household with extension agents increased the decision to borrow by 5.4 percent.This is because extension services could provide farmers with essential information regarding participation in social groups.The results of the factors influencing cocoa-based farming households’ level of participation in social capital groups are presented in Table 3.These include age of household head, years of education, membership in agricultural organization, off farm income, land tenure, interest rate, distance to credit sources, extension visits, decision making, cash contribution, and labour contribution.The age of household head significantly affected level of participation in social groups.A year increase in age of household head increased the level of participation in social groups by 3.164 units.This could be ascribed to the fact that as farmers get older, they become more productive and increase their level of participation in social groups.Years of education of household head significantly affected level of participation in social groups.An increase in years of education of household head increased the level of participation in social groups by 0.662 units.This is because education equips farmers to make informed decisions about their level of participation in social groups.Membership in agricultural organisations significantly affected level of participation in social groups.Being a member of agricultural organisation increased the level of participation in social groups by 2.085 units.This is attributed to the fact that membership in an agricultural organisation increases access to credit.Non-farm income significantly affected level of participation in social groups.An increase in non-farm income of households decreased the level of participation in social groups by 0.041 units.This is because farmers that earn substantial amounts of non-farm income would less likely need external funds.Land tenure significantly affected level of participation in social groups.Households with secure land increased the level of participation in social groups by 1.858 units.This could serve as a push factor to farmers to increase their level of participation in social groups.

Loan interest rate significantly affected level of participation in social groups.A one percent increase in loan interest rate decreased the level of participation in social groups by 1.225 units.High interest rates constitute a hindrance to the level of participation in social groups.Distance to credit source significantly affected level of participation in social groups.A kilometre increase in the distance to credit source decreased the level of participation in social groups by 0.010 units.Farmers who live near the social group’s designated building have a location advantage, which increases their level of participation in social groups.Extension visits significantly affected level of participation in social groups.Households’ contact with extension agents increased the level of participation in social groups by 0.768 units.Extension services provide essential information to farmers regarding participation in social groups.Decision-making significantly affected level of participation in social groups.An increased unit of the decision-making index increased the level of participation in social groups by 1.424 units.This is ascribed to the fact that decision making keeps individuals abreast of the association’s benefits.Cash contribution significantly affected level of participation in social groups.A naira increase in cash contribution increased the level of participation in social groups by 9.923 units.This implies cocoa-based farming households who made adequate financial contributions to social groups have access to substantial amounts of credit compared to households who did not.Labour contribution significantly affected level of participation in social groups.An increase in labour contribution increased the level of participation in social groups by 3.353 units.This implies that cocoa-based farming households who make adequate labour contributions in social groups have access to substantial amounts of credit compared to households who do not.To test for validity of the instrumental variables used in the 3SLS estimation procedure, a correlation analysis between aggregate social capital, farm productivity and food security with the proposed instruments was carried out.The proposed instruments were length of residency, charity donation, membership in religious group,4×8 flood tray and membership in ethnic groups.The results of the correlation analysis are presented in Table 4.The membership in ethnic groups has significant correlations with aggregate social capital, but an insignificant correlation with farm productivity and food security.It also has the highest correlation coefficient with the social capital.This conforms to the findings of Adepoju and Oni.

The basic model is shown in the first column of Table 6.The rationale behind this model is to examine the farm productivity of the households while they are not involved in social capital activities.The Chi2 showed that the econometric modelling is appropriate and correctly specified.Age of household head significantly influenced farm productivity of the cocoabased farming households.This implies that a unit increase in age of household head decreased households’ farm productivity by 0.836 kg/₦.This is attributed to the fact that ability to do farm work and farm output reduces with ageing.Household size significantly influenced farm productivity of the cocoa-based farming households.This implies that a unit increase in household size increased households’ farm productivity by 0.865 kg/₦.This is attributed to the fact that family labour available for farming could increase farm output.The results agree with Atagher.Primary and secondary education significantly influenced households’ farm productivity.The implication of this is that a unit increase in primary and secondary education increased households’ farm productivity by 0.014 and 0.113 kg/₦, respectively.This could be traced to the fact that education empowers farmers to access required skills and to utilise existing resources on the farm to boost their productivity.Farm size significantly influenced farm productivity of the cocoa-based farming households.This implies that a unit increase in the farm size increased households’ farm productivity by 0.214 kg/₦.This is ascribed to the fact that resources on large farms would increase farm productivity.Interest rate significantly influenced farm productivity of the cocoa-based farming households.This implies that a percentage increase in interest rate decreased households’ farm productivity by 0.346 kg/₦.This is because high interest rate discourages farmers from applying for loans and the amount of the loans farmers receive.Correspondingly, this reduces the quantity and quality of farm inputs that the farmer buys and negatively affects productivity farmer.Loan time lag significantly influenced farm productivity of the cocoa-based farming households.This implies that a unit increase in loan time lag decreased households’ farm productivity by 0.660 kg/₦.This is because long loan time lags would delay the procurement of a loan, which implies that farm inputs will not be available to the cocoa farmers at the right time, quantity and quality.This affects productivity of the farmers due to the seasonal nature of agriculture.This model suggests that households’ social-economic characteristics, farm specific and credit variables play a significant role in improving farm productivity.The second column of Table 6 shows the inclusion of six additive forms of social capital variables identified in this study.These include density of membership, decision making, cash contribution, labour contribution, meeting attendance and heterogeneity.The rationale behind the model is to examine the farm productivity of the households while they are involved in social capital activities.This new model has a better farm productivity level as reflected in a Chi2 of 45.34.This suggests that households’ farm productivity improve as members become involved in the affairs of their social groups.This model shows that the effect of social capital on farm productivity can be traced to meeting attendance, decision making, membership density, and cash contribution.This finding is line with the findings of Balogun et al..Meeting attendance significantly influenced farm productivity of the cocoa-based farming households in the study area.This implies that a unit increase in attendance of meetings increased households’ farm productivity by 6.959 kg/₦.This is because farmers who recurrently attended group meetings have access to resources and information to improve their productivity.Decision making significantly influenced farm productivity of the cocoa-based farming households.This implies that a unit increase in active participation in decision of the group decreased households’ farm productivity by 4.824kg/₦.This means that farmers’ involvement in association matters is of no benefit to their farm productivity.Density of membership significantly influenced farm productivity of the cocoa-based farming households.This implies that a unit increase in the number of groups to which a farmer belongs increases productivity by 0.450 kg/₦.This is attributed to the fact that farmers’ commitment in many social groups enhances their access to loans, which can be used to increase their productivity.