@ARTICLE {CARSKY:2001c, title = {Effect of phosphorus application in legume cover crop rotation on subsequent maize in the savanna zone of West Africa}, author = {Carsky, R. and Oyewole, B. and Tian, G. }, journal = {Nutrient Cycling in Agroecosystems}, year = {2001}, volume = {59}, pages = {151--159}, }