U.S. Farmers Cope With Roundup-Resistant Weeds

http://www.nytimes.com/2010/05/04/business/energy-environment/04weed.html

U.S. Farmers Cope With Roundup-Resistant Weeds
Published: May 3, 2010
Heavy use of the weedkiller Roundup has led to the rapid growth of herbicide-resistant weeds that could lead to higher food prices and more pollution.

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