Released on 01/11/12

 

USA The use of herbicides in the Production of genetically modified herbicide-tolerant crops has increased, according to new research. 'Resistant weeds nave become a major Problem for many farmers reliant on GM crops, and they are now driving up the volume of herbicide needed each year by about 25 per cent, said the study's author, Charles Benbrook of Washington State University.

 

SOURCE Geographical Magazine / Factiva news