@PROCEEDINGS {MOHAMMED:2009, title = {Effects of farm yard manure on the growth, phenology, and yield of cowpea (Vigna unguiculata (L). walp)}, author = {Mohammed, M. * and Mukhtar, F. * and Ajeigbe, H. }, booktitle = {18th Annual Conference of the Botanical Society of Nigeria BOSON BUK 2009}, year = {2009}, note = {In Book of Abstract, 18th Annual Conference of The Botanical Society of Nigeria; BOSON BUK 2009}, }