Supplemental Table 1. Percent of National Acres Planted to All Herbicide-Tolerant (HT) and Bt Crop Varieties, 1996 - 2008. [Combines percent acres planted to single- and multiple-trait varieties] - - - - - - - - - - - - - - - - - - - - - - - - - - - All herbicide-tolerant varieties - - - - - - - -- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - AllBt crop varieties - - - - - - - - - - - - - - - - - - - - - - - - -
* Percent of Acres planted in 2008 are preliminary projections based on recent trends.
Data Source: Economic Research Service data. See Supplemental Table 1 (corn) and 2 (soybeans) for complete sources. Supplemenetal Table 3 provides sources of cotton data.
Supplemental Table 2. Genetically engineered (GE) corn varieties by State and United States, 2000-2009. [from the USDA Economic Research Service] Insect-resistant (Bt ) only . Herbicide-tolerant only . Stacked gene varieties . All GE varieties
1/ Includes all other States in the corn estimating program
2/Estimates published individually beginning in 2005.
2000-2001: U.S. Dept of Agriculture, National Agricultural Statistics Service (NASS). Acreage. June 29, 2001. http://usda.mannlib.cornell.edu/usda/nass/Acre//2000s/2001/Acre-06-29-2001.pdf
2001-2002: U.S. Dept of Agriculture, National Agricultural Statistics Service (NASS). Acreage. June 28, 2002. http://usda.mannlib.cornell.edu/usda/nass/Acre//2000s/2002/Acre-06-28-2002.pdf
2002-2003: U.S. Dept of Agriculture, National Agricultural Statistics Service (NASS). Acreage. June 30, 2003. http://usda.mannlib.cornell.edu/usda/nass/Acre//2000s/2003/Acre-06-30-2003.pdf
2003-2004: U.S. Dept of Agriculture, National Agricultural Statistics Service (NASS). Acreage. June 30, 2004. http://usda.mannlib.cornell.edu/usda/nass/Acre//2000s/2004/Acre-06-30-2004.pdf
2004-2005: U.S. Dept of Agriculture, National Agricultural Statistics Service (NASS). Acreage. June 30, 2005. http://usda.mannlib.cornell.edu/usda/nass/Acre//2000s/2005/Acre-06-30-2005.pdf
2005-2006: U.S. Dept of Agriculture, National Agricultural Statistics Service (NASS). Acreage. June 30, 2006. http://usda.mannlib.cornell.edu/usda/nass/Acre//2000s/2006/Acre-06-30-2006.pdf
2006-2007: U.S. Dept of Agriculture, National Agricultural Statistics Service (NASS). Acreage. June 29, 2007. http://usda.mannlib.cornell.edu/usda/nass/Acre//2000s/2007/Acre-06-29-2007.pdf
2007-2008: U.S. Dept of Agriculture, National Agricultural Statistics Service (NASS). Acreage. June 30, 2008. http://usda.mannlib.cornell.edu/usda/nass/Acre//2000s/2008/Acre-06-30-2008.pdf
2008-2009: U.S. Dept of Agriculture, National Agricultural Statistics Service (NASS). Acreage. June 30, 2009. http://usda.mannlib.cornell.edu/usda/nass/Acre//2000s/2009/Acre-06-30-2009.pdf
Supplemental Table 3. Genetically Engineered (GE) Soybean Varieties by State and United States, 2000-2009. [from the USDA's Economic Research Service] Herbicide-tolerant only . All GE varieties . 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 Percent of all soybeans planted .
1/ Includes all other States in the soybean estimating program.
2/ Estimates published individually beginning in 2005.
2000-2001: U.S. Dept of Agriculture, National Agricultural Statistics Service (NASS). Acreage. June 29, 2001. http://usda.mannlib.cornell.edu/usda/nass/Acre//2000s/2001/Acre-06-29-2001.p
2001-2002: U.S. Dept of Agriculture, National Agricultural Statistics Service (NASS). Acreage. June 28, 2002. http://usda.mannlib.cornell.edu/usda/nass/Acre//2000s/2002/Acre-06-28-2002.p
2002-2003: U.S. Dept of Agriculture, National Agricultural Statistics Service (NASS). Acreage. June 30, 2003. http://usda.mannlib.cornell.edu/usda/nass/Acre//2000s/2003/Acre-06-30-2003.pd
2003-2004: U.S. Dept of Agriculture, National Agricultural Statistics Service (NASS). Acreage. June 30, 2004. http://usda.mannlib.cornell.edu/usda/nass/Acre//2000s/2004/Acre-06-30-2004.pd
2004-2005: U.S. Dept of Agriculture, National Agricultural Statistics Service (NASS). Acreage. June 30, 2005. http://usda.mannlib.cornell.edu/usda/nass/Acre//2000s/2005/Acre-06-30-2005.p
2005-2006: U.S. Dept of Agriculture, National Agricultural Statistics Service (NASS). Acreage. June 30, 2006. http://usda.mannlib.cornell.edu/usda/nass/Acre//2000s/2006/Acre-06-30-2006.p
2006-2007: U.S. Dept of Agriculture, National Agricultural Statistics Service (NASS). Acreage. June 29, 2007. http://usda.mannlib.cornell.edu/usda/nass/Acre//2000s/2007/Acre-06-29-2007.p
2007-2008: U.S. Dept of Agriculture, National Agricultural Statistics Service (NASS). Acreage. June 30, 2008. http://usda.mannlib.cornell.edu/usda/nass/Acre//2000s/2008/Acre-06-30-2008.p
2008-2009: U.S. Dept of Agriculture, National Agricultural Statistics Service (NASS). Acreage. June 30, 2009. http://usda.mannlib.cornell.edu/usda/nass/Acre//2000s/2009/Acre-06-30-2009.p
Supplemental Table 4. National Upland Cotton Acres Planted to Genetically Engineered (GE) Varieties Based on Data Provided by the Agricultural Marketing Service ["HT" is "Herbicide-Tolerant"; "RR" is Roundup Ready"; "LL" is "Liberty Link"; "BXN" is "Bromoxynil-Tolerant"; "Bt " is "Bacillus thuriengenesis "] HT Percent Acres HT Acres Planted Bt Percent Acres Bt Acres Planted Percent Acres Planted Individual Varieties
Source: Percent acres planted to individual varieties came from the AMS. National acres planted to each crop came from NASS Crop Production Annual Summary Report .
Supplemental Table 5. Herbicide-Tolerant (HT) Varieties of Corn, Soybean, and Cotton: Acres Planted, 1996 - 2008. Total 1996-2008 Supplemental Table 6. Bt Varieties of Corn and Cotton: Acres Planted, 1996 - 2008. Total 1996-2008 Supplemental Table 7. Average Pesticide Pounds Applied per Acre of Conventional, Herbicide-Tolerant (HT), and Bt Varieties and Estimated Differences in Pesticides Applied per Acre, 1996 - 2008. Conventional Corn (pounds active ingredient [a.i.])Change in Pesticide Use per Acre of GE Corn (pounds a.i.)
Herbicides Applied per Acre -0.79 -0.95 -0.80 -0.65 -0.39 -0.45 -0.22 -0.13 -0.06 -0.01
Insecticide per Acre Bt Corn for ECB
-0.23 -0.16 -0.12 -0.11 -0.09 -0.07 -0.09 -0.08 -0.07 -0.07 -0.07
Insecticide per Acre Bt Corn for CRW
Conventional Soybeans (pounds a.i. )Change in Herbicide Use per HT Soybean Acre (pounds a.i.)Change in Pesticide Use per Acre of GE Cotton (pounds a.i.)
Herbicides Applied per Acre -0.75 -0.79 -0.35 -0.34 -0.13
Insecticides Applied per Acre -0.33 -0.42 -0.38 -0.45 -0.43 -0.38 -0.39 -0.40 -0.42 -0.40 -0.43 -0.47
Source: All estimates based on pesticide use data reported by the National Agricultural Statistics Service (NASS).
Supplemental Table 8. Differences in the Pounds of Pesticides Applied as a Result of GE Corn, Soybean, and Cotton: Acres Planted, 1996 - 2008. Totals 1996-2008 Soybeans
20,497,101 26,469,038 41,510,749 53,995,126 62,700,531
Three Crops
22,346,725 29,717,952 47,300,713 62,747,885 76,404,762
17,331,892 23,751,891 40,903,997 54,765,285 67,490,062
Supplemental Table 9. Insecticide Use to Control the European Corn Borer (ECB) and Southwestern Corn Borer (SWCB) on Conventional Varieties of Corn, 1996- 2008. [See notes: "AT" is "Acres Treated"] Percent Acres Treated for ECB/SWCB Acres Treated per Crop Year for ECB/SWCB
636,296 1,282,640 1,857,264 1,272,816 1,212,032 1,264,864
3,180,280 3,976,850 1,603,300 2,553,738 2,386,530 2,272,560 1,581,080
790,540 1,375,553 1,416,258 1,431,133 1,370,723 1,636,723 1,504,685
Total Acres Treated 6,991,846 6,458,404 5,815,971 7,119,512 6,058,604 5,626,669 5,490,300 5,645,267 5,464,382 5,018,202 4,806,377 5,739,094 5,276,110
Weighted Share of Acres Treated Average Rate of Application Conventional Corn
Weighted Average Rate per Crop Year (ECB &
* Percent Acres Treated and Rate per Crop Year estimates for 2006-2008 assume no change in percent acres treated or rates from 2005, the last year for which NASS data are available. Percent Acres Treated, Acre
Treatments, and Rate per Crop Year were interpolated for years 2004. The number of applications used to calculate the "Acre Treatments per Crop Year" were interpolated for year 2004. Acre Treatments in 2006-
2008 rose proportional to the change in Acres Planted. Supplemental Table 10. Insecticide Use to Control Rootworm (CRW) on Conventional Corn Varieties, 1996- 2008. [See Notes: "AT" is "Acres Treated"] Percent Acres Treated for Rootworm Acres Treated per Crop Year for CRW Weighted Share of Acres Treated for CRW Average Rate of Application Conventional Corn
* Percent acres treated for each insecticide is assumed to fall 25% from 2005 to 2006, 50% from 2005 to 2007, and 60% from 2005 to 2008, reflecting the growing adoption of Bt corn for rootworm control. All Rates per Crop Year and the
Number of Applications assumed to remain unchanged from the value in 2005 (last year corn insecticidee use was surveyed by NASS). Percent Acres Treated, Acre Treatments, and Rate per Crop Year were interpolated for years 2004. Number
of Applications used to calculate the "Acre Treatments per Crop Year" were interpolated for year 2004. Supplemental Table 11. Insecticides Used to Control the European Corn Borer (ECB), Southwestern Corn Borer (SWCB), and Corn Rootworm (CRW) on Conventional and Bt Varieties of Corn, 1996 - 2008. [See Notes] Acres Planted Bt Corn for Rootworm Acres Planted
Bt Corn for Rootworm % Acres Planted
Total Bt Trait Acres Planted (ECB & CRW)
Bt Corn Acres for ECB
Estimated Acres Planted to Bt- ECB Previously
Percent Acres Planted to Bt- ECBPreviously
Adjusted Volume of Insecticide Displaced by a Bt-Bt Corn Acres for Rootworm
Estimated Acres Planted to Bt- CRW Previously
Percent Acres Planted to Bt- CRWPreviously
Adjusted Volume of Insecticide Displaced by a Bt-
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