Nitrate Vulnerable Zones (NVZ) are employed as compulsory instruments to meet standards on EU water quality. Farmers operating in NVZs face a number of restrictions on agricultural activity and a greater requirement for record keeping in relation to timing and quantities of nitrogen inputs used....

Emissions of greenhouse gases from agriculture are likely to come under increasing scrutiny as governments around the world develop proposals for large cuts in greenhouse gas emissions. Yet while there is a range of technically feasible measures for reducing agricultural emissions, it is not...