Proceedings of an International Symposium Cosponsored by Divisons A -6 ( International Agronomy) and S-4 (Soil Fertility and Plant Nutrition) and the International Center for Research in Agroforestry, held at the 88th annual Meetings of America Society of Agronomy and the Soil Science Society of America Indianapolis, Indiana 6 november 1996 Buresh, Roland J. creator editor edt text xx# 1997 monographic eng xix, 251 páginas : ilustraciones; tbs; graf. Roland Buresh. edition. Incluye Bibliografía. xxu FERTILIDAD DE SUELOS - AFRICA - CONGRESOS, CONFERENCIAS, ETC PRODUCTOS QUIMICOS AGRICOLAS - AFRICA - CONGRESOS, CONFERENCIAS, ETC NUTRICION DE PLANTAS - AFRICA - CONGRESOS, CONFERENCIAS, ETC 631.8 R425 0891188290 CO-ViULL 150107 20251030132718.0 027665 spa