Most farmers only use herbicides to “tidy up” weeds, with less than 5% of UK grassland receiving a herbicide application every year, according to the results from a recent survey. Yet, a planned weed control programme can improve grass DM/ha by over 10%, offering a return on investment of up to 14:1 (see returns box). In order to dissect current herbicide practices, 385 farmers – 225 herbicide users and 160 non-users – were interviewed as part of an independent survey commissioned […]