This data includes rye biomass, maize yields and soil variables (runoff, Nitrate leaching, erosion) predicted with the Agricultural Production Simulation System (APSIM) in a 25-year evaluation of cove
\r\n\r\nThis data relates to the proportion of cropping farms which employed\r\nconservation, tillage, direct drilling or traditional cultivation methods in\r\nthe period 1998-1999. The proportion of