نتایج جستجو برای: on farm
تعداد نتایج: 8422786 فیلتر نتایج به سال:
The study on gender and net farm income of cassava-based farmers under individual land tenure system was done in Abia State of Nigeria. The main objective was to determine the Net Farm Income (NFI) and the Benefit Cost Ratio (BCR) of the cassava farmers by gender vis-aviz their income levels as well as food security in the state. A multi-stage random sampling technique was adopted while data we...
T paper examines the health of farm workers in the United States. Although farm workers constitute a small fraction of the overall U.S. workforce, their health is of special concern because of greater exposure to toxic chemicals, work-related injuries, and other occupational hazards. The U.S. agricultural sector is heavily dependent on hired farm workers who constitute about 30% of the agricult...
This study analyzed the impact of off-farm earnings on the intensity of adoption of improved maize varieties and the productivity of maize farming in Uganda in the years 2005/06 and 2009/10. Summary statistics show significantly higher adoption intensity and expenditure on purchased inputs among households with off-farm income relative to their counterparts without off-farm income. Households w...
Using data from a national survey of farm households in the United States, this paper examines the effects of farm households’ decisions to participate in the Conservation Reserve Program (CRP) and to work off the farm on the technical efficiency of farm household production. After controlling for the self selection bias in estimating the multiple output-oriented distance functions, results sho...
A growing number of studies have shown that adequate spatial access to healthy foods leads to increased fresh produce consumption and reduced risk of chronic diseases. Annual dynamics of spatial access to 1,539 vendors of fresh produce (including farmers markets and roadside farm stands) are analyzed in Massachusetts. Travel distance to the nearest fresh produce vendor was calculated for each c...
This chapter analyzes the technical efficiency of banana production among Ugandan smallholders by estimating a stochastic production frontier model with inefficiency effects. The empirical models are formulated within the overarching framework of the agricultural household specified in Chapter 2. The data design is also summarized in Chapter 2, although additional information about soil quality...
فرض کنید که x یک فضای ابر گروه باشد. ثابت می کنیم که اگر محمل l (x) شامل نقطه همانی باشد، توپولوژی x گسسته است ، و اگر نقطه همانی نقطه تنهایی در محمل l (x) باشد، l (x) ارنز منظم نیست . احکام فوق زمینه را جهت بررسی "نتیجه یانگ " مهیا می کنند. ابتدا ثابت می کنیم که در فضای ابر گروه فشرده نتیجه یانگ درست است ، ولی، در حالت کلی، چنین نتیجه ای در ابر گروهها برقرار نیست . با ارائه مثالی، ثابت می کنیم...
OBJECTIVES Exposure to environments rich in microorganisms such as farms has been shown to protect against the development of childhood asthma and allergies. However, it remains unclear where, and how, farm and other rural children are exposed to microbes. Furthermore, the composition of the microbial flora is poorly characterised. We tested the hypothesis that farm children are exposed indoors...
To quantify the respiratory disease burden among agricultural workers, we examined the 1988-1998 National Center for Health Statistics (NCHS) "Multiple Cause of Death Data" and the 1988-1994 Third National Health and Nutrition Examination Survey data (NHANES III). Proportionate mortality ratios (PMRs) were determined for 11 respiratory conditions among 6 agricultural groups: crop farm workers, ...
A one-year prospective survey was conducted to study the incidence of and potential risk factors for farm-related injuries in Eastern Ontario. One hundred and seventeen dairy and beef farms were surveyed using a personal interview. Information was collected on demographic characteristics of the farm owners, workers, and families; characteristics of the farm operations; and information on behavi...
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