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Impact of GMO Crop Adoption on Quality-Adjusted Pesticide Use in Corn and Soybeans: A Full Picture

Author

Listed:
  • Vialou, Alexandre
  • Nehring, Richard F.
  • Fernandez-Cornejo, Jorge
  • Grube, Arthur

Abstract

Controversies over genetically engineered (henceforth GE or GMO) crops still remain because of uncertainties regarding their long term impact on pesticide use and on the environment if weeds and insects develop resistance to them. Updated USDA data on pesticide use and GMO adoption rates enable us to present a comprehensive analysis that spans 20 years –from 1986 to 2006- for two major crops that have benefited from intensive bioengineering research in the United States: corn and soybeans. After adjusting for the inherent heterogeneity across states and over time in the composition of herbicides and insecticides applied, results suggest that GE crops have lead to a decrease in the use of quality-adjusted pesticides with significant differences between herbicides and insecticides.

Suggested Citation

  • Vialou, Alexandre & Nehring, Richard F. & Fernandez-Cornejo, Jorge & Grube, Arthur, 2008. "Impact of GMO Crop Adoption on Quality-Adjusted Pesticide Use in Corn and Soybeans: A Full Picture," 2008 Annual Meeting, July 27-29, 2008, Orlando, Florida 6429, American Agricultural Economics Association (New Name 2008: Agricultural and Applied Economics Association).
    • Handle: RePEc:ags:aaea08:6429
    DOI: 10.22004/ag.econ.6429
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    Cited by:

    1. Fernandez-Cornejo, Jorge & Nehring, Richard F. & Newcomb Sinha, Elizabeth & Grube, Arthur & Vialou, Alexandre, 2009. "Assessing Recent Trends in Pesticide Use in U.S. Agriculture," 2009 Annual Meeting, July 26-28, 2009, Milwaukee, Wisconsin 49271, Agricultural and Applied Economics Association.
    2. McDonald, Tia Michelle & Keating, Ariel Ruth & Fausti, Scott W. & Li, Jing & Lundgren, Jonathan G. & Catangui, Mike, 2010. "Insecticide Use and Crop Selection: A South Dakota Case Study," Economics Staff Papers 91991, South Dakota State University, Department of Economics.

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