@ARTICLE {PALADA:1988, title = {Alley-cropping indigenous vegetable crops with Leucaena leucocephala in southern Nigeria}, author = {Palada, M. C. and Ezeribe, A. and Kang, B. and Chen, Y. S. }, journal = {Horticultural Science}, year = {1988}, volume = {23}, number = {3}, pages = {817}, }