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Y.A. Abayomi, T.V. Ajibade, O.F. Sammuel and B.F. Saadudeen, 2008. Growth and Yield Responses of Cowpea (Vigna unguiculata (L.) Walp) Genotypes to Nitrogen Fertilizer (NPK) Application in the Southern Guinea Savanna Zone of Nigeria. Asian Journal of Plant Sciences, 7: 170-176.
DOI: 10.3923/ajps.2008.170.176
URL: https://scialert.net/abstract/?doi=ajps.2008.170.176
DOI: 10.3923/ajps.2008.170.176
URL: https://scialert.net/abstract/?doi=ajps.2008.170.176