A multi-pronged plan is vital in blackgrass battle

摘要

When Edd Banks returned from Harper Adams University to his family's Cambridgeshire farm in 2004, he began to realise that post-emergence herbicides alone were no longer controlling blackgrass. The l,100ha of chalky clay loams at Manor Farm, Harlton - over three-quarters of which grows winter wheat and oilseed rape - were badly infested with the weed, most of which tests eventually showed was herbicide-resistant.