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… they often spray again just before harvesting with the herbicide glyphosate to desiccate the crop, which saves them … applied to make crops more tolerant of herbicides. These herbicide-resistant genetically-modified (GM) crops now use 56 per cent of total glyphosate use,204 and increased herbicide tolerance means that farmers are likely 136 UNCCD | …

… farmyard drainage; intensive cropping (pesticide / herbicide pollution); wastewater irrigation drilling …

… exotic genes or traits (for example, insect resistance or herbicide tolerance), and possible effects on non-target …