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Table 1 Projected rates of change in herbicide use since the most recent USDA survey, relative to recent annual percent changes in rates

From: Impacts of genetically engineered crops on pesticide use in the U.S. -- the first sixteen years

  2010-2011 2005-2010 Per Year 2005-2010
Corn    
Total Herbicides 2% 10.2% 2.0%
Glyphosate 2.5% 12.9% 2.6%
Soybeans 2007-2011 2000-2006 Per Year 2000-2006
Total Herbicides 3.2% 35.2% 5.9%
Glyphosate 3.3% 53.4% 8.9%
Cotton 2010-2011 2007-2010 Per Year 2007-2010
Total Herbicides 2.2% 3.1% 1.0%
Glyphosate -1% -10.3% -3.4%