Comparative study of different organic manures and NPK fertilizer for improvement of soil chemical properties and dry matter yield of maize in two different soils
Adeniyan O. N.*, Ojo A. O., Akinbode, O. A. and Adediran J. A.
Institute of Agricultural Research and Training, Obafemi Awolowo University (OAU), P. M. B. 5029 Ibadan, Nigeria.
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