E. O. Azu, Donatus

Chemistry and Mineralogy of Soils Derived from Different Parent Materials in Southeastern Nigeria

E. O. Azu, Donatus, V. E. Osodeke, I. M. Ukpong & A. F. Osisi · International Journal of Plant & Soil Science · 2018

Knowledge of the soil minerals is an important index in understanding the soil fertility properties since mineral surfaces serve as both the source and sink of plant nutrients. Soils developed from contrasting parent materials viz: Coastal Plain Sand, Sandstone, Basalt and Shale...

Open access Research Article 10.9734/IJPSS/2018/44764

Effect of Dried Algae and N Fertilizers to Soil Chemical Properties and the Yield of Amaranthus (Amaranthus cruentus) on Ultisols Southeastern Nigeria

E. O. Azu, Donatus, V. E. Osodeke & O. U. Nwanja · Asian Journal of Soil Science and Plant Nutrition · 2017

Organic manure plays an important role in improving the fertility of Ultisols. A pot experiment to investigate the effect of dried algae and N fertilizer on the chemical properties and the yield of Amaranthus on Ultisol was conducted from March to June, 2017 in the Green House of...

Open access Research Article 10.9734/AJSSPN/2017/37538

Effect of Poultry Manure and Urea on Soil Chemical Properties, Nodulation and Yield of Groundnut (Arachish hypogaeac) in Akanu Ibiam Federal Polytechnic, Unwana Afikpo Ebonyi State

E. O. Azu, Donatus · Asian Journal of Advances in Agricultural Research · 2017

A Green House study was carried out at the Teaching and Research Farm, Department of Horticulture and Landscape Technology to investigate the influence of the integrated application of poultry manure and urea on soil nutrient properties, nodulation, growth and yield of groundnut...

Open access Research Article 10.9734/AJAAR/2017/37677