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C. L. A. Asadu

Publications (5)

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

Effects of Landscape Slope Position, Urban Refuse Compost and Sewage Sludge on Soil Properties and Cassava Yield in South Eastern Nigeria

R. A. Ezema, M. E. Obi, C. L. A. Asadu, T. E. Omeje, R. S. Agu, O. J. Uche, Okoro Alex & O. N. Udegbunam · Journal of Experimental Agriculture International · 2017

Understanding the effects of landscape slope position and organic waste residues on soil properties and cassava yield is a critical component of site-specific management. A field study was conducted in an Ultisol at Nsukka, southeastern Nigeria to investigate the effects of lands...

Open access Research Article 10.9734/JEAI/2017/32356

Effect of Biochar Soil Amendment on Soil Properties and Yield of Sesame Varieties in Lafia, Nigeria

E. Ndor, O. J. Jayeoba & C. L. A. Asadu · Journal of Experimental Agriculture International · 2015

The experiments were conducted during 2011 and 2012 rainy season at the research and teaching farm of the college of agriculture, Lafia, Nasarawa state, Nigeria; to evaluate the effect of biochar amended soil on soil properties and yield of sesame varieties. The treatments consis...

Open access Research Article 10.9734/AJEA/2015/19637

Effect of Biochar on Soil Properties and Organic Carbon Sink in Degraded Soil of Southern Guinea Savanna Zone, Nigeria

E. Ndor, S. M. Amana & C. L. A. Asadu · International Journal of Plant & Soil Science · 2014

Biochar incorporation into soil has been shown to improve the soil quality for crop production and sequestered organic carbon into the soil thereby mitigating climate change. The experiment was conducted during 2010 rainy season at the research and teaching farm of the college of...

Open access Research Article 10.9734/IJPSS/2015/12376

Topsoil Nutrient Dynamics Across Compound Farms at Slope Gradients in Nsukka, Nigeria

Benedict O. Okorie, Esther C. Chukwu, Onyinye A. Ezeifeka, Kenneth U. Ukwuaba, Pascal C. Umeugokwe, Chinonso J. Ayogu, Victor I. Ezeaku & C. L. A. Asadu · International Journal of Plant & Soil Science · 2025

Soil management is needed to improve soil fertility and crop productivity in compound farms, particularly in areas with varying slope gradients. Limited information is available related how slope gradients affect soil fertility in compound farms, particularly in tropical Africa....

Open access Research Article 10.9734/ijpss/2025/v37i55465