@ARTICLE {OIKEH:2003b, title = {Differential N uptake by maize cultivars and soil nitrate dynamics under N fertilization in West Africa}, author = {Oikeh, S. * and Carsky, R. and Kling, J. and Chude, V. * and Horst, W. J. }, journal = {Agriculture, Ecosystems and Environment}, year = {2003}, month = {December}, volume = {100}, number = {2-3}, pages = {181--191}, issn = {0167-8809}, }