Genetically Engineered Crops for Pest Management in U.S. Agriculture
by Jorge Fernandez-Cornejo
, William McBride
, Cassandra Klotz-Ingram, and Nora Brooks
Agricultural Economic Report No. (AER-786) 28 pp, May 2000
Adoption of genetically engineered crops with traits for pest management has risen dramatically since their commercial introduction in the mid-1990's. The farm-level impacts of such crops on pesticide use, yields, and net returns vary with the crop and technology examined. Adoption of herbicide-tolerant cotton led to significant increases in yields and net returns, but was not associated with significant changes in herbicide use. On the other hand, increases in adoption of herbicide-tolerant soybeans led to small but significant increases in yields, no changes in net returns, and significant decreases in herbicide use. Adoption of Bt cotton in the Southeast significantly increased yields and net returns and significantly reduced insecticide use.
Keywords: Biotechnology, genetic engineering, pest management, field crops, input traits
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