Addiscott, T. M. Farming, fertilizers and the nitrate problem / by T.M. Addiscott, A.P. Whitmore and D.S. Powlson. - Willingford, Oxon, UK : C.A.B. International, 1991. - vi, 170 p. : ill. ISBN: 0851986587 Subjects--Topical Terms: Fertilizers.Nitrogen fertilizers.Nitrification.Nitrate mineral.Agriculture.Leaching.