Status and distribution of extractable micronutrients in Haplustults in Yamaltu-Deba Local Government Area, Gombe state, Nigeria
S. Mustapha1*, H. K. Mamman1 and N. A. Abdulhamid2
1Crop Production Programme, Abubakar Tafawa Balewa University, Bauchi, Nigeria.
2Department of Agricultural Engineering, Faculty of Engineering, University of Maiduguri, Nigeria.
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