@ARTICLE {KAMARA:2007d, title = {Cultivar and nitrogen fertilization effects on Striga infestation and grain yield of early maturing tropical maize}, author = {Kamara, A. and Menkir, A. and Chikoye, D. and Omoigui, L. and Ekeleme, F. }, journal = {Maydica}, year = {2007}, volume = {52}, pages = {415--423}, }