Defra is in the process of revising the nitrate vulnerable zone (NVZ) designations that will apply from 2017-20, as part of its regular four-year review cycle.It has suggested the overall area in England will remain about the same as in previous years at 58. However, there are a number of new and de-designated areas.Nicola Dunn, NFU water quality adviser, says it is important that once farmers have been notified, they respond quickly if they think the designation is unjustified.
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