@ARTICLE {KAMARA:2008b, title = {Effect of phosphorus application and soybean cultivar on grain and dry matter yield of subsequent maize in the tropical savannas of north-eastern Nigeria}, author = {Kamara, A. and Kwari, J. * and Ekeleme, F. and Omoigui, L. and Abaidoo, R. }, journal = {African Journal of Biotechnology}, year = {2008}, month = {August}, volume = {7}, number = {15}, pages = {2593--2599}, issn = {1684-5315}, }