Abstract Local clay mineral was mined from Okpella Town, Etsako Government Area of Edo State, Nigeria. Mineralogical characterization the carried out using X-ray diffraction analyzer. Chemical fluorescence analyzer and pH analysis meter. The mineralogical revealed that majorly a dolomite having 72% dolomite. impurities present are 18% cristobalite, 4.1% garnet, 5% calcite 1% quicklime. acidic a...

This research mainly focuses on the morphological characterization of genotypes sweet potatoes present in Ethiopia for selection those with optimum dual-purpose (as food and feed characteristics).