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Bt Corn Farmer Compliance with Insect Resistance Management Requirements: Results from the 2002 Minnesota and Wisconsin Farm Polls AgEcon
Buttel, Frederick H.; Merrill, Jeanne; Chen, Lucy; Goldberger, Jessica; Hurley, Terrance M..
The U.S. Environmental Protection Agency (EPA) reregistered Bt corn in 2001 with mandatory Insect Resistance Management (IRM) requirements in order to promote sustainable use by farmers. Since then studies report IRM compliance rates ranging from 80 to 90 percent. Using survey data from Minnesota and Wisconsin, we show that previous compliance rate estimates are likely too high because they do not use a comprehensive measure for compliance. With a more comprehensive measure, we find compliance rates ranging between 60 to 75 percent.
Tipo: Working or Discussion Paper Palavras-chave: Bt corn; Compliance; Insect Resistance Management; Refuge; Crop Production/Industries.
Ano: 2005 URL: http://purl.umn.edu/13659
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Do Purchasing Patterns Differ Between Large and Small Dairy Farms? Econometric Evidence from Three Wisconsin Communities AgEcon
Foltz, Jeremy D.; Jackson-Smith, Douglas; Chen, Lucy.
Using farm data from three dairy-dependent communities in Wisconsin, this study addresses the question: Do small farms spend more locally than large farms? The work develops a theoretical model of farm cost functions with transaction costs varying between local and distant input sources. This model is then tested econometrically, describing farm costs and where they were spent as a function of transaction/search costs and farm characteristics. The results suggest that scale does matter to farm spending patterns.
Tipo: Journal Article Palavras-chave: Livestock Production/Industries.
Ano: 2002 URL: http://purl.umn.edu/31485
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