@INBOOK {AKOBUNDU:1990, title = {The role of weed control in integrated pest management for tropical root and tuber crops}, author = {Akobundu, I. }, year = {1990}, type = {Integrated pest management for tropical root and tuber crops edited S.K. Hahn and F.E. Caveness}, pages = {23--29}, publisher = {International Institute of Tropical Agriculture (IITA)}, address = {Ibadan, Nigeria}, note = {RTB; Root and Tuber}, }