Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 72 for “"Pesticide Use"”.
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Analysis of Policies Affecting Pesticide Use in Ecuador
… (NPR) were calculated to quantify the degree of pesticide subsidy in Ecuador from 1991 to 1996. Equilibrium exchange rates were computed first to determine the indirect and total NPR's in addition to the direct NPR's. The computed equilibrium exchange rates from 1987 to 1996 indicated a …
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Evaluating agricultural pesticide use and risk for the Chesapeake Bay
Although agricultural pesticide use is suspected of being a major contributor to the risk of toxic contamination of the Chesapeake Bay, little information concerning the nature and extent of that risk is available. Such information is essential, however, for setting pesticide risk management …
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Factors Affecting Integrated Pest Management Adoption and Pesticide Use in Kenyan Vegetable Farmers
… adoption of IPM practices and number of pesticide applications in vegetable farmers in Kenya. The sample size for this study includes 263 vegetable farmers. The survey was conducted in four counties of Kenya: Nyeri, Tharka Nithi, Nakuru and Bomet. The vegetables considered in this study …
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Assessment of policies and socio-economic factors affecting pesticide use in the Philippines
… of socioeconomic factors influencing the misuse of pesticides on vegetables in Central Luzon, Philippines. The analysis revealed an increase in pesticide misuse associated with the following factors: a high value placed on advice from a chemical company representative; membership in a …
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Health and Environmental Benefits of Reduced Pesticide Use in Uganda: An Experimental Economics Analysis
… health and environmental benefits from reducing pesticides in Uganda. The first experiment, an incentive compatible auction involves subjects with incomplete information placing bids to avoid consuming potentially contaminated groundnuts/water in a framed field experimental procedure. Three …
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Impacts of pesticide use practices and gender on cowpea productivity of smallholder farmers in Benin
… high vulnerability to insect pest attacks. Pesticides have been widely acknowledged as the most effective method of controlling pests and cowpea farmers often apply them excessively and indiscriminately while continuing to incur drastic yield losses. This paper uses an IV model specification …
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Estimating environmental and human health benefits of reducing pesticide use through integrated pest management programs
… in the environmental and human health costs of pesticide use. A methodology is developed to estimate the environmental and human health costs of pesticide use associated with the production of any crop. The cost estimates for production under "conventional" (i.e. non-IPM) pest management are …
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An assessment of pesticide use, contamination and impact on the environment and the health of people in Sierra Leone
… organisms from destroying their crops, farmers use pesticides. However there are reports that these chemicals are being misused and are having negative impact on the environment and the health of the farmers. This research aimed to investigate pesticide use in rice fields and its potential …
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Stochastic Technology, Risk Preferences, and the Use of Pollution Inputs
… these findings might help clarify the ""underuse puzzle"" observed in previous studies of aggregate pesticide use in US agriculture. These studies may have interpreted the effect of positive marginal risk premium for aggregate pesticide use as puzzling pesticide underuse."
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Adoption Analysis and Impact Evaluation of Potato IPM in Ecuador
… well-known negative side effects associated with pesticide use such as health problems and environmental pollution. Integrated Pest Management (IPM) seeks to minimize pesticide use while reducing pest infestation to economically tolerable levels. The introduction of IPM CRSP activities in Ecuador …
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Characterising the role of climate change in perpetuating Zimbabwean farmers' health risks from exposure to endocrine disrupting pesticides
… diseases and adverse human health conditions. Pesticides constitute an important source of endocrine disrupting chemicals. A growing public health concern is the potential relationship between climate change and adaptive increases in agricultural pesticide use. Effectively, with increases in …
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Adoption Determinants and Impacts of Tuta absoluta Integrated Pest Management for Nepali Tomato Farmers
Tuta absoluta, a member of the moth family, causes devastating yield loss to tomato farmers around the world. Its recent migration into the tomato fields of Nepal puts tomato farmers at a high risk of yield loss. In response, chemical pesticide use by Nepali farmers is increasing. Integrated pest …
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Relationships among spread-sticker application, blossom cap retention, berry scarring, thrips populations, and Botrytis bunch rot in 'Chardonnay' grapes, and a survey of pesticide use and pest severity in Virginia vineyards in 1990 and 1991
… disease, insect, and weed problems respectively. Pesticides most commonly used were captan, glyphosate, and carbaryl.
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Assessment of Pesticide Residue Levels Among Locally Produced Fruits and Vegetables in Monze District ,Zambia
The use of pesticides in Zambia‟s agriculture sector is increasingly being seen as an important aspect of agricultural technology and innovation and as being critical for agriculture development, economic growth and poverty reduction. The use of pesticides however, often leads to the presence of …
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Assessment of Pesticide Residue Levels Among Locally Produced Fruits and Vegetables in Monze District ,Zambia
The use of pesticides in Zambia‟s agriculture sector is increasingly being seen as an important aspect of agricultural technology and innovation and as being critical for agriculture development, economic growth and poverty reduction. The use of pesticides however, often leads to the presence of …
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The political ecology of nontraditional agricultural exports and an IPM project in Jamaica
… as an alternative to the singular reliance on pesticides to control agricultural pests. IPM involves the combination of chemical and non-chemical pest management practices to minimize pest damage to crops and reduce overall pesticide use. Although IPM has been promoted in both industrialized …
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Economics of Decision-Making in Agricultural Pest Management (Integrated Pest Management (Ipm))
… 1984 growing season. Farmer's decisions to adopt pesticides; the extent of pesticide use; and technical and price efficiency in the use of pesticide, and other inputs were examined.
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Effect of formulation on the movement of atrazine, alachlor, and metribuzin in a coarse-textured soil
… alachlor and metribuzin are three widely used herbicides which have been detected in groundwater. Increased concerns over pesticide use have stimulated interest in developing formulations that reduce environmental risks such as groundwater contamination. The effect of controlled release …
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The Economic Impacts of Soil Contamination in Wenatchee, WA
… of soil contamination as a result of historical pesticide use in Wenatchee, WA. A hedonic regression analysis of home values before, during, and after cleanups of six contaminated schoolyards demonstrates the public’s willingness to pay for remediated soil as a housing amenity. A qualitative …
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Utilization of carbon-rich waste materials to reduce pesticide movement to groundwater in a sandy coarse-textured soil
Pesticide use on coarse-textured soils frequently leads to groundwater contamination. Based on the fact that organic carbon is the primary contributor to pesticide sorption in soil-water systems, a resolution of this problem is anticipated through external application of organic carbon sources. In …
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