@ARTICLE {EKELEME:2009, title = {Response of upland rice cultivars to weed competition in the savannas of West Africa}, author = {Ekeleme, F. and Kamara, A. and Oikeh, S. and Omoigui, L. and Amaza, P. and Abdoulaye, T. and Chikoye, D. }, journal = {Crop Protection}, year = {2009}, volume = {28}, number = {1}, pages = {90--96}, issn = {0261-2194}, doi = {10.1016/j.cropro.2008.09.006}, }