Adoption of GE Corn in the U.S.A. ercent of planted acres 80 70 60 50 Stacked 40 30 HT only 品 Btonly 10 2000 2001 2002 2003 2004 2005 2006 2007 Source:ERS,using NASS survey data ●● ●●● ●●● Source: ERS, using NASS survey data Adoption of GE Corn in the U.S.A. Bt only HT only Stacked 0 10 20 30 40 50 60 70 80 2000 2001 2002 2003 2004 2005 2006 2007 Percent of planted acres