Cassava weeds and management in Nigeria - Ezedinma, C.I.; Udensi, U.E.; Okechukwu, R.; Ibana, S.; Akoroda, M.O.; Ilona, Paul; Ogbe, F.; Sanni, Lateef O.; Lemchi, J.; Chikoye, David; Okoro, E.; Dixon, A. (2007)