The European Commission was probably acting under pressure from policymakers to include the possibility of a stocking rate cut for derogation farmers in Ireland’s nitrates plan up to 2025, a senior Department of Agriculture official has claimed.The Department had argued that time would be needed to measure the impact of new cow banding and slurry export rules on water quality and that this impact should be known before a decision is needed on reducing maximum derogation stocking rates from 250kg N/ha to 220kg N/ha.