A. O. Onunwa

Sawah Rice Farming Eco-technology Options for Enhancing Sustainable Nutrient Management and Rice Production in Degraded Inland Valleys of Southeastern Nigeria

J. C. Nwite, A. O. Onunwa, C. A. Igwe & T. Wakatsuki · International Journal of Plant & Soil Science · 2015

The decline in agricultural productivity in Nigeria is merely because the rural farmers which constitute the bulk of Nigerian crop farmers rely on the rainfall for their agricultural activities. Rice farmers in Ebonyi State, regarded as a major rice producing State in Nigeria rel...

Open access Research Article 10.9734/IJPSS/2016/20783

Restorative Potential of Residual Soil Amendments and One-Year Fallow on Top Soil Chemical Properties of a Tropical Ultisol

R. A. Ezema, C. L. A. Asadu, P. I. Ezeaku, A. O. Onunwa & P. K. Kefas · International Journal of Plant & Soil Science · 2017

Quantitative information on the contribution of residuals of soil nutrient management on natural nutrient recovery capacity of soil through fallowing is scanty. To evaluate the contributions, soil samples were collected from soils amended with 50 tha-1 boiler ash (BA),10 tha-1  p...

Open access Research Article 10.9734/IJPSS/2017/35763