Hamish Marr: Can we farm without glyphosate?

For more than 40 years glyphosate has been an invaluable chemical weapon in farmers’ arsenal as a low-residue, safe and simple weed control enabling greater flexibility and less soil disturbance.Canterbury arable farmer Hamish Marr devoted his Nuffield Scholarship to examining how glyphosate fell from grace in the public eye and what farmers can to do to preserve it as an invaluable crop treatment.