@INBOOK {DI UMBA:2001, title = {Effect of soybean cultivars on Striga emergence and yield of the subsequent maize crop}, author = {Di Umba, U. and Dashiell, K. and Berner, D. K. and Ebong, U. }, year = {2001}, type = {Impact, challenges and prospects of maize research and development in West and Central Africa: proceedings of a Regional Maize Workshop, 4-7 May. International Institute of Tropical Agriculture (IITA), Cotonou, Benin REpublic}, pages = {321--329}, publisher = {WECAMAN: International Institute of Tropical Agriculture (IITA), Ibadan, Nigeria}, }