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International Journal of Agricultural Research 8 ( 2 ): 94 - 100 , 2013
A.T. Ajibola, I.A. Fasola and T.O. Modupeola
Journal of Agronomy 13 ( 3 ): 122 - 126 , 2014
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Journal of Plant Sciences 9 ( 2 ): 51 - 57 , 2014