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L. S. Aliyu, A. Singh, M. D. Magaji and M. S. Umar, 2007. Variety and Phosphate Rock Effects on Yield and Yield Components of Cowpea [Vigna unguiculata (L.) Walp.]. Journal of Plant Sciences, 2: 583-591.
DOI: 10.3923/jps.2007.583.591
URL: https://scialert.net/abstract/?doi=jps.2007.583.591
DOI: 10.3923/jps.2007.583.591
URL: https://scialert.net/abstract/?doi=jps.2007.583.591