date:Mar 11, 2014
estimated market share in U.S. soybean seed of about 2 percent and a 4 percent share in corn.
Monsanto's Roundup Ready cropping system has dominated U.S. agriculture because it is easy to use. Farmers can spray Roundup herbicide directly on top of their crops, then watch the weeds die and the crops flourish because a genetic alteration makes the crops impervious to the weedkiller.
But heavy use of Roundup has triggered an explosion of herbicide-resistant superweeds that farmers have found it