MANAGEMENT OF FUNGAL DISEASES ASSOCIATED WITH GERMINATION AND GROWTH OF MORINGA OLEIFERA LAMARCK WITH BOTANICALS ABSTRACT Studies were carried out at the Department of Crop science, University of Nigeria Nsukka (UNN) to evaluate botanicals control of diseases associated with growth and germination of Moringa seeds. Five accessions of Moringa seeds collected from Imo, Enugu, Kogi, …
MOBILITY OF HEAVY METALS FROM THE UNIVERSITY OF NIGERIA SEWAGE-SLUDGE DISPOSAL SITE TO THE SURROUNDING SOILS AND PLANTS ABSTRACT This study was carried out at the University of Nigeria, Nsukka sewage disposable site. The study was to quantify the mineral contents of sewage sludge and assess their mobility in the soil and plants around UNN …
PHOSPHATE MOBILIZATION BY ADDITION OF ORGANIC ACIDS IN TWO SOILS OF THE SOUTHERN GUINEA SAVANNA OF NIGERIA ABSTRACT One mechanism by which plants can mobilize organic and inorganic forms of phosphorus (P) in soils is by exudation of low molecular weight organic acids. Laboratory and field trial were carried out during 2011 and 2012 cropping …
SOIL CHARACTERIZATION AND LAND SUITABILITY EVALUATION OF ANUKA FARMLAND IN NSUKKA LOCAL GOVERNMENT AREA OF ENUGU STATE, NIGERIA ABSTRACT The land at Anuka, Nsukka Local Government Area of Enugu State in Southeastern Nigeria, under the sub-humid tropical climate was evaluated for maize (Zea mays), cassava (Manihot esculenta), yam (Dioscorea spp.) and oil palm (Elaeis guineensis) …
SOIL DISPERSION AND HYDRAULIC CONDUCTIVITY IN RELATION TO CLAY CONTENT, EXCHANGEABLE SODIUM PERCENTAGE AND ELECTROLYTE CONCENTRATION IN SOILS OF SOUTHEASTERN NIGERIA ABSTRACT The objective of the study was to investigate the influence of some soil properties on dispersion and hydraulic conductivity of soils. Twenty soil samples collected from a depth of 0-20 cm were analyzed …
SOIL ORGANIC CARBON SEQUESTRATION POTENTIALS IN AGGREGATE FRACTIONS OF CULTIVATED AND UNCULTIVATED SOILS OF SOUTHEASTERN NIGERIA ABSTRACT A study was carried out on soils sampled at 0-10, 10-20, and 20-30 cm depths from both cultivated and uncultivated soils at four different locations (Awgu, Okigwe, Nsukka I, and Nsukka II), to evaluate the potentials of …
ASSESSMENT OF SOIL BIOLOGICAL AND PHYSICO-CHEMICAL BENEFITS OF LEGUME-CEREAL ROTATION SYSTEMS IN DERIVED SAVANNA ZONE OF NIGERIA ABSTRACT Green house and field experiments were undertaken in this study. The green house study was done in International Institute of Tropical Agriculture (IITA), Ibadan, green house, while the field experiments were conducted in the Department of Soil …
CHARACTERIZATION AND IDENTIFICATION OF CONTEMPORARY DIAGNOSTIC (B) HORIZONS OF SOILS IN IDEATO NORTH LOCAL GOVERNMENT AREA OF IMO STATE, SOUTHEASTERN NIGERIA ABSTRACT There is a dearth of scientific information on the soils of Ideato North Local Government Area of Imo State in Southeastern Nigeria. This study was carried out to characterize and classify these soils …
CHARACTERIZATION AND MAPPING OF GULLY EROSION FEATURES IN TWO GEOLOGICAL FORMATIONS OF EASTERN NIGERIA USING GLOBAL POSITIONING SYSTEM (GPS) AND SATELLITE AERIAL PHOTO ABSTRACT With the aid of Global Positioning System (GPS) and Satellite Aerial Photo, a comparative characterization and mapping of soil gully erosion features on two geological formations were carried out in Nsukka …
COMPARATIVE ANALYSIS OF THE PHYSICAL CHARACTERISTICS OF WATER STABLE AGGREGATES IN SOME FOREST AND CULTIVATED SOILS OF ENUGU STATE, SOUTH EASTERN NIGERIA. ABSTRACT A study was conducted to evaluate the physical changes that occur in the soil due to conversion of forest to arable land. Six locations in Enugu State that were selected for this …
COMPARATIVE EFFECTS OF LIME, POULTRY MANURE AND NPK COMPOUND FERTILIZER ON SOIL PHYSICOCHEMICAL PROPERTIES AND YIELD OF MAIZE IN AN ULTISOL OF SOUTHEASTERN NIGERIA. ABSTRACT Field and greenhouse experiments were conducted at the University of Nigeria, Nsukka, in 2011, to examine the effects of lime, poultry manure and NPK 15-15-15 on the soil nutrient content …
COMPARISON OF THE PHYSICOCHEMICAL POTENTIAL OF BOILER ASH, POULTRY DROPPINGS AND INORGANIC FERTILIZER AND THEIR EFFECTS ON ULTISOL AND MAIZE PERFORMANCE IN SOUTH EASTERN NIGERIA ABSTRACT The power boiler ashes (BA) from burnt oil- palm mill wastes at Solive Vegetable Oil Mills Ltd, Nsukka has not been assessed for its crop-use potentials before, and its …
EFFECTS OF COVER MANAGEMENT PRACTICES ON PHYSICAL PROPERTIES, RUNOFF AND EROSION IN NSUKKA SANDY LOAM SOIL ABSTRACT A two –year (2004/2005) field investigation was carried out on the runoff plots at the University of Nigeria Nsukka farm, to monitor the effects of cover management practices on physical properties, runoff and soil loss in Nkpologu sandy …
EFFECTS OF SAWAH WATER MANAGEMENT SYSTEMS ON SOIL PROPERTIES AND RICE GRAIN YIELD IN EBONYI STATE SOUTHEASTERN NIGERIA ABSTRACT In an attempt to replicate the successful Japanese Satoyama watershed management model in the African agro-ecosystems, sawah rice cultivation technology has been introduced to West Africa in the last two decades. This study was conducted in …
EVALUATING THE EFFECTIVENESS OF FOUR SELECTED METHODS OF INVESTIGATING SOIL EROSION EFFECT ON SOIL PRODUCTIVITY IN NSUKKA, ENUGU STATE, NIGERIA ABSTRACT This study was conducted in 2012 at the University of Nigeria, Nsukka Teaching and Research Farm (UNN), and Ekwegbe, both in Nsukka agricultural zone; to evaluate the effectiveness of four selected methods of quantifying …
IMPACT OF SOLID MINERALS MINING ON SELECTED SOIL AND WATER PROPERTIES IN ENYIGBA, EBONYI STATE, NIGERIA ABSTRACT Indiscriminate and uncontrolled mining activities give rise to significant negative environmental impacts such as pollution of water bodies and farm lands, thus leading to decrease in soil fertility and soil quality as well as land degradation and changes …
AGGREGATE STABILITY OF NKPOLOGU SANDY LOAM SOIL UNDER DIFFERENT SOIL AND CROP MANAGEMENT SYSTEMS ABSTRACT A study was conducted in the runoff plots at the University of Nigeria Nsukka Teaching and Research Farm, in 2010 and 2011 to monitor the changes in aggregate stability, and some selected physicochemical properties of Nkpologu sandy loam soil under …