Fertilization for sustainable plant production and soil fertility : proceedings of the 11th International World Fertilizer Congress held at Faculty of Agricultural and Applied Biological Sciences, Universiteit Gent on 7-13 September 1997 in Gent, Belgium - Cleemput, Ovan (Braunschweig : International Scientific Centre of Fertilizers, 1997)
Keywords: SUELOS; ABONOS Y FERTILIZANTES; AGRICULTURA SOSTENIBLE; CONGRESOS