@ARTICLE {SANGINGA:1996, title = {Evaluation of symbiotic properties and nitrogen contribution of mucuna to maize grown in the derived savanna of West Africa}, author = {Sanginga, N. and Ibewiro, B. and Houngnandan, P. * and Vanlauwe, B. and Okogun, J. and Akobundu, I. and Versteeg, M. }, journal = {Plant and Soil}, year = {1996}, volume = {179}, pages = {119--129}, }