@ARTICLE {JEMO:2008, title = {Biological nitrogen fixation potential by soybeans at two low-P soils of southern Cameroon}, author = {Jemo, M. and Nolte, C. and Abaidoo, R. }, journal = {Nutrient Cycling in Agroecosystems}, year = {2008}, issn = {1385-1314}, note = {Published online}, }