@INBOOK {AKOBUNDU:1983a, title = {Weed control in no-tillage cassava in the subhumid and humid tropics}, author = {Akobundu, I. }, year = {1983}, type = {No-Tillage Crop Production int he Tropics, edited by I.O. Akobundu, and A.E. Deutsch}, pages = {119--126}, publisher = {IPPC}, address = {Corvallis, U.S.A.}, note = {RTB; Root and Tuber; Cassava}, }