Evaluation of soil-erosion and pesticide-exposure control strategies |
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| Authors: | Ralph E Heimlich Clayton W Ogg |
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| Institution: | United States Department of Agriculture, Economics and Statistics Service, Natural Resource Economics Division, Northeast Resource Program Group, Department of Agricultural Economics, 455 Warren Hall, Cornell University, Ithaca, New York 14850, USA |
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| Abstract: | A linear-programming model of agriculture in the Chowan-Pasquotank river basin of North Carolina is used to analyze soil-erosion reduction strategies while holding pesticide loadings constant. Two forms of pesticide-exposure indexes, reflecting terrestrial and aquatic exposure, are used to aggregate the effects of pesticide applications for no-till and conventional till systems. Reductions in pesticide exposure are compatible with high levels of erosion control. Greater reductions of pesticide exposure with comparable levels of erosion control are achievable at relatively low cost. Such reductions imply shifts in cropping patterns and resource use, however. |
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