@INPROCEEDINGS {PALADA:1990, title = {Alley cropping intercropped maize and cassava and sequentially cropped maize and cowpea in southern Nigeria}, author = {Palada, M. C. and Gichuru, M. and Kang, B. }, booktitle = {Agroforestry land-use systems: proceedings of a special session on agroforestry land-use systems. American Society of Agronomy Annual Meeting, International Agronomy Section, 28-29 Nov 1988, Anaheim, California, edited by E. Moore}, year = {1990}, pages = {89--90}, publisher = {Nitrogen Fixing Tree Association}, address = {Waimanalo, Hawaii, USA}, note = {RTB; Root and Tuber}, }