@ARTICLE {KAMARA:2010, title = {Response of upland rice cultivars to nitrogen fertilizer in the savannas of Nigeria}, author = {Kamara, A. and Ekeleme, F. and Omoigui, L. and Oikeh, S. * and Chikoye, D. and Tegbaru, A. }, journal = {Agronomy Journal}, year = {2010}, volume = {102}, number = {1}, pages = {333--339}, issn = {0002-1962}, }