OSR yields are on the rise despite a tight rotation.

The article looks at the rising oilseed rape yields at John Hawthorne's Flawborough Farms in Nottinghamshire, England, in 2012. The rise emerged despite the presence of a very tight rotation. Farmers attributed the steady increase in the crop's performance to the help of some agronomic adjustments. They also recognized the contribution of varieties, including hybrids and conventional types, to the trend.