Clearfield OSR in flower
Since estate manager Toby Hogsbjerg made the radical decision to completely switch to Clearfield oilseed rape varieties, the estate’s rapeseed crops have yielded almost 1t/ha more. A serious charlock problem meant yields across Swinbrook Farms in the Cotswolds, Oxfordshire, had dropped to just 2.5t/ha from the 200ha of oilseed rape grown each season. Clearfield hybrid rapeseed varieties, which are tolerant of  the herbicide active imazamox, were the only viable option for continuing with rapeseed on the two estates that make […]