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Manggoel, W. 1 *, Uguru M. I. 2 , Ogbonna P.E. 2 and Jandong, E. A. 3
1 Department
of Agric. Technol., College of Agriculture, Garkawa, Plateau State
of Crop Science, University of Nigeria, Nsukka
3 Department of Agronomy, Taraba State University, Jalingo