biotechnology derived crops planted in 2004 impacts on us agriculture december 2005 sujatha sankula ph d gregory marmon edward blumenthal national center for food and agricultural policy 1616 p stret nw washington dc 20036 phone 202 328 5048 fax 5133 email ncfap org website ww 2 table of contents introduction 3 method 7 virus resistant 11 case study 1 papaya squash 15 herbicide 19 canola 4 corn 25 5 cotton 36 6 soybean 52 insect 64 yieldgard borer & herculex i 8 74 9 rootworm 80 10 bollgard 88 94 conclusion 100 the intense debate over its applications focused mainly hypothetical risks questions related to value safety agronomic economic environmental last ten years have sen many these put rest been proven be economicaly viable environmentaly sustainable as safe
