A ten-year linear programming model of a representative dryland crop farm in North Central Kansas is used to develop and illustrate procedures for analyzing economic impacts of the elimination of one or more pesticides on an individual farm. Atrazine is used as an example pesticide because of its widespread use and because concerns about atrazine have been expressed in the United States and in other countries. An important outcome is that impacts on grain sorghum would likely be greater than impacts on corn because more alternative and effective herbicides are available for corn.


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