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Investigations were carried out at two different locations (Uturu and Umudike) during the 2004-planting season, to evaluate the effect of cow dung and NPK fertilizer (15:15:15) on...
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Some investigations, which comprised one laboratory experiment, one nursery-site plot experiment and two simultaneous field plot trials, were carried out to determine the effects of...
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This study was designed to determine the sulphur (S) status of some soils of Abia State, establish the relationship between forms of sulphur and some soil properties. It was also to...
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Field experiments were carried out to determine the effects of palm bunch ash (PBA) on soil nutrient dynamics, growth and yield of cassava during the 2003/2004 cropping season at the...
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Laboratory, greenhouse and field experiments were conducted between 1997 and 1999 to evaluate the yield performance, N2fixation and fertilizer requirements of soybean in the humid...
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The withdrawal of fertilizer subsidy by the Federal Government in 1996 made mineral fertilizers scarce, expensive and beyond the reach of many farmers. Although mineral fertilizers ensure...
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Investigations into the status of total and extractable micronutrients in soils of contrasting parent materials from southeastern Nigeria, were conducted to determine the Total and...
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Basic properties and the status of extractable iron, copper, zinc and mangenese in normal soils and. the cubitermes mounds taken from Umudike and Ameke (Abia State), Afikpo (Ebonyi State)...
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An assessment of the effect of spent engine oil on the physico-chemical properties and productivity of soils in three mechanic workshops in Umuahia was studied. Profile pits were dug...
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Phosphorus forms (available P, total P. Organic P, active inorganic P and Inactive inorganic phosphorus) and sorption capacity were evaluated on soils modified by termites and...
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The Potassium chemistry of soils obtained from. two locations (Ajata Ibeku and Amakama in Abia State, Nigeria) of contrasting parent materials were studied in the laboratory. Potassium...
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Field experiments were conducted at two sites in Umudike, Umuahia, to compare the effects of different animal manures on soil physical properties, growth and yield of maize. The animal...
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A field study was conducted on an Ultisol at the National Root Crops Research Institute, Umudike in year 2000 to determine the effects of' manure (poultry manure) at 0, 10, 20 and 30 tons...
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The roles of sesquioxidcs and organic matter on the aggregation of 40 soil samples from various parts of the south-eastern Nigeria was investigated. Soil samples included soils that have...
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The effect of Rice mill Waste (RMW) in combination with or without N.P.K 15:15:15 on some physico-chemical properties of an Ultisol in umudike, southeastern Nigeria, WS studied. The...
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This work was conducted at the Michael Okpara University of Agriculture Umudike. Six rates of Wood ash 0,2,4,6,8 and 10 tons/ha were tried to determine their effect on Growth and...
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A factorial experiment was designed to determine the complementary effects of ash and poultry manure (PM) on some soil properties and yield of maize. There were 3 levels of ash and 3...
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A greenhouse experiment was conducted at Michael Okpara university of Agriculture, umudike, Abia state to determine the effect of palm oil mill effluent on soil physical and chemical...
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The influence of different forest tree species (A. macrophylla, P. macrophya, G. arborea, I. wombolu, T grandis, and P. carbaea) on soil pH, organic carbon and phosphorus were studied....
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The characterization and classification of soils of rubber plantation of MOUAU western farm was carried out in area of about 2 hectares to identify the major soils of the area and to...
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A pot experiment was conducted at Michael Okpara University of Agriculture Umudike to evaluate the amelioration of Cocoa husk ash on soil acidity and maize production. Five levels...
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Soil suitability assessment for agriculture is meant to evaluate the ability of a piece of land to provide the optimal ecological requirement of a certain crop variety. In other words,...
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The Physico-chemical evaluation of some selected soils of MOUAU western farm in south eastern Nigeria was carried out on a 2-3 hectares land area to determine the agricultural potential...
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This study was conducted to evaluate the liming and fertilizer effect of Wood ash, Rice mill waste ash, Cocoa pod ash, and Palm bunch ash on soil and to assess the growth and yield of...
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Soils of the south-eastern Nigeria are mostly ultisol (Ahn 1993) characterized by acidity with a pH value below 5.5. This is cause by the nature of the parent material, heavy leaching due...