@INPROCEEDINGS {VANLAUWE:2000, title = {Recent developments in soil fertility management of maize-based systems: the role of legumes in N and P nutrition of maize in the moist savanna zone of West Africa}, author = {Vanlauwe, B. and Aihou, K. * and Iwuafor, E. * and Houngnandan, P. * and Diels, J. and Manyong, V. and Sanginga, P. }, booktitle = {Cover crops for natural resource management in West Africa = Plantes de couverture et gestion des ressources naturelles en Afrique occidentale: proceedings of a workshop organized by IITA and CIEPCA, Cotonou, Benin, 26-29 October 1999. Ibadan, Nigeria}, year = {2000}, pages = {3--13}, publisher = {International Institute of Tropical agriculture (IITA)}, }