@ARTICLE {NANGJU:1975g, title = {Effects of plant density and spatial arrangement on seed yield of cowpea (Vigna unguiculata (L.) Walp)}, author = {Nangju, D. and Little, T. M. and Anjorin-Ohu, A. }, journal = {Journal of the American Society for Horticultural Science}, year = {1975}, volume = {100}, number = {5}, pages = {467--470}, issn = {0003-1062}, note = {IITA Proceedings Series, No. 3}, }