Nitrate leaching and economic analysis package (NLEAP): model description and application - Shaffer, M.J.=700 1 Halvorson, A.D.; Pierce, F.J.
Ilus.; 13 ref.
Keywords: ANALISIS ECONOMICO; PROPIEDADES FISICO-QUIMICAS SUELO; NITRATOS; MINERALIZACION; METODOS; NITRIFICACION; MATERIA ORGANICA