The Impacts of Adoption of Genetically Engineered Crops on Yields,Pesticide Use and Economic Returns in the USA Jorge Fernandez-Cornejo Economic Research Service, U.S.Department of Agriculture Presented at the Farm Foundation Conference on Biotechnology Washington,DC,January 16,2008 ●● ●●● ●●●Presented at the Farm Foundation Conference on Biotechnology Washington, DC, January 16, 2008 Jorge Fernandez-Cornejo Economic Research Service, U.S. Department of Agriculture The Impacts of Adoption of Genetically Engineered Crops on Yields, Pesticide Use and Economic Returns in the US A