How to cite this article
APA /
Namakka A., Jibrin D.M., Hamma I.L. & Bulus J. (2017). Effect of Phosphorus Levels on Growth and Yield of Cowpea (Vigna unguiculata (L.) Walp.) in Zaria, Nigeria. Journal of Dryland Agriculture , 3(1), 85-93.
Chicago /
Namakka A., Jibrin D. M., Hamma I. L., Bulus, J.. "Effect of Phosphorus Levels on Growth and Yield of Cowpea (Vigna unguiculata (L.) Walp.) in Zaria, Nigeria." Journal of Dryland Agriculture 3, no. 1 (2017): 85-93.
MLA /
Namakka A., et al. "Effect of Phosphorus Levels on Growth and Yield of Cowpea (Vigna unguiculata (L.) Walp.) in Zaria, Nigeria." Journal of Dryland Agriculture 3.1 (2017): 85-93.