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Active since
2012
NA Onunka is an author specializing in soil sciences, organic manure management, and cropping.
Publications per year
2012–2012
Effect of Organic and Inorganic Manures and Time of Application on Soil Properties and Yield of Sweetpotato in a Tropical Ultisol
NA Onunka, L.I. Chukwu, EO Mbanasor et al. · Journal of Agriculture and Social Research · 2012 · 19 citations
Agriculture, Crop Sciences, Soil Sciences +17
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