Full Length Research Paper
Authors
Zakka U.
Department of Crop and Soil Science. Faculty of Agriculture, University of Port Harcourt, P. M. B. 5323, Port Harcourt, Nigeria.
Lale N. E. S.
Department of Crop and Soil Science. Faculty of Agriculture, University of Port Harcourt, P. M. B. 5323, Port Harcourt, Nigeria.
Onoriode A. H.
Department of Crop and Soil Science. Faculty of Agriculture, University of Port Harcourt, P. M. B. 5323, Port Harcourt, Nigeria.
Ehisianya C. N.
National Root Crops and Research Institute, Umudike, Abia State, Nigeria.
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