Superweeds http://nwpr.org en Study: GMO Crops Need More Herbicide To Fend Off 'Superweeds' http://nwpr.org/post/study-gmo-crops-need-more-herbicide-fend-superweeds <p>Farmers of genetically engineered crops are dramatically increasing their use of herbicides. That’s according to a new study out of Washington State University. Researchers say farmers are spraying more in response to the rise of so-called “superweeds.” Tue, 02 Oct 2012 23:22:56 +0000 Jessica Robinson 16143 at http://nwpr.org Study: GMO Crops Need More Herbicide To Fend Off 'Superweeds'