@ARTICLE {SANGINGA:1996c, title = {Persistence and effectiveness of rhizobia nodulating promiscuous soybeans in moist savanna zones of Nigeria}, author = {Sanginga, N. and Abaidoo, R. and Dashiell, K. and Carsky, R. and Okogun, J. }, journal = {Applied Soil Ecology}, year = {1996}, volume = {3}, pages = {215--224}, issn = {0929-1393}, }