Measurements of pesticide spray drift deposition into field boundaries and hedgerows: 2. Autumn applications

Tractor spray applications of a pyrethroid insecticide combined with a fluorescent tracer were applied to cereal field edges on four separate occasions in the autumn. Spray drift measurements were made in field boundaries adjacent to conventionally sprayed and 6‐m‐wide unsprayed “Conservation Headlands,” which act as buffer zones designed to keep the outermost edge of the crop unsprayed with certain pesticide groups. The volume of drifting spray...