Working Document Series Open Access Analysis of land exchange practice and its effects on technical efficiency of rice farmers in north-eastern zone of Nigeria G.B. Ayoola · J.B. Ayoola · C.R.F Djomo · M. Sani +2 more This study analyzed the practice of land exchange in Norther-Eastern zone of Nigeria. Four hundred (400) rice farmers under irrigation farming were selected using multi-stage sampling procedure to provide data by means of structured interv… RUF-41080 2024 CC BY 4.0 13 Sep 2024
Working Document Series Open Access Understanding Gender Risk Behaviour: Panacea to Adoption of Innovations and Technology for Mitigating the Effect of Climate Variability J. O. Ibukun · O. A. Oluwafemi · E. A. Opeyemi · A. Tahirou Innovative research aimed at mitigating the effect of climate variability on farmers output must be adopted before the desired outcome can be achieved. Adoption of any innovation, which is deeply rooted in risk behaviour and may differ acc… RUF-40801 2019 CC BY 4.0 22 Nov 2023
Working Document Series Open Access Rice demand and supply projection analysis in Nigeria from 2018 to 2030 L. C Familusi · C. O. Oranu Rice is a cash crop in Nigeria that is widely grown and consumed in all geopolitical zones of the country. Rice production in Nigeria has increased over time because of increasing demand for rice, however the increase in supply of rice is … RUF-40752 2019 CC BY 4.0 21 Nov 2023
Working Document Series Open Access Influence of rendered abattoir effluent on fruit yield of chilli pepper and soil properties O.F. Adekola · A.A. Jimoh-Faari Abattoir waste management is of great concern in both urban and rural areas of Nigeria. Despite the potential benefits of abattoir effluent to improve the soil fertility and yield of crops, its integration into agricultural soil management… RUF-40606 2023 CC BY 4.0 26 Sep 2023
Working Document Series Open Access Effect of cation rich biochar and micronutrient blended inorganic fertilizer on rice yield in an acidic soil A. Bala · W. Bello, · K. Oludade, · O. Umeugochukwu This study investigatd the effect of rice husk biochar and sulfur (15) and Zinc (1Zn) blended inorganic fertilizer on rice yield in comparison to two treatments under normal farmers’ practice. The experiment was laid out in a complete rand… RUF-40548 2018 CC BY 4.0 28 Jul 2023
Working Document Series Open Access Assessment of sweet potato production and processing among farming households in Nigeria A Abdulazeez · C. Adewale Sweet potato is one of the most important root crops in developing countries. This study assessed the production and processing of sweet potato among farming households in Kwara State, Nigeria. Primary data were collected from 120 sweet po… RUF-40276 2021 CC BY 4.0 31 May 2023
Journal articles Open Access Oil-Gas and Environmental Nexus: Impact of Human Actions on selected Soil Physicochemical Parameters in Port Harcourt and its environment, Nigeria E. Ibisime · W.P. Muyoma · L. Odokuma · R. Ramkat Impact of oil and gas activities on quality of soil in Port Harcourt and its environments was assessed. The study evaluates levels of physicochemical parameters associated with oil and gas industry in soils of 9 locations in Port Harcourt … RUF-39069 2018 CC BY 4.0 26 Feb 2021
Journal articles Open Access Validation of Calculated Pressure Drop Using Experimental Data with Standard Methods of an Existing Software S. S. Ikiensikimama · O. F. Joel · D. O. Oyoo · C. M. Wambua The aim of this research was to determine the pressure drop along a 450 km long multiproduct pipeline. Empirical formulae and quantitative methods were applied in order to establish pressure drop as an operating parameter. Flow rates used … RUF-38990 2019 CC BY 4.0 17 Feb 2021
Journal articles Open Access Validation of Calculated Flow Regime Using Experimental Data with Standard Methods of an Existing Software S. S. Ikiensikimama · O. F. Joel · D. O. Oyoo · C. M. Wambua The aim of this research was to determine the flow regime of a standard steel 14-inch multiproduct pipeline. The study analysed the effects of flow rates, product viscosities, pipe diameter, internal roughness and elevation change on Reyno… RUF-38989 2019 CC BY 4.0 16 Feb 2021
Working Document Series Open Access Factors influencing cowpea grains demand and utilization in Nigeria I. O. Agbagwa · B. A. Odogwu · H. Worlu Cowpea (Vigna unguiculate L. Walp.) is an economically important and versatile indigenous African legume, used for food, feed, soil fertility enhancement and income generation for farmers and food vendors. Nigeria is the leading cowpea pro… RUF-38930 2018 CC BY 4.0 16 Dec 2020
Working Document Series Open Access Africa for Africa’s knowledge economy via open access publishing: Towards development of African citation indices M. Mkpado Africa contributes dismally to global open access publishing, yet has fallen victim to external publishing. Most open access journals in Africa are classified as predatory, thus leading to querying the strength of papers published therein.… RUF-38913 2018 CC BY 4.0 16 Dec 2020
Theses & Dissertations Open Access Evaluation of some plant extracts as surface-active agents in drilling mud formulations T. C. Biwott This research was aimed at: evaluating physicochemical properties of Carica papaya -PL, Vernonia amygdalina - BL, Terminalia mantaly - TL and Moringa oleifera – ML; establishing rheological properties of the drilling mud formulated with th… RUF-38463 2020 CC BY 4.0 8 Aug 2020
Journal articles Open Access Adsorption of Heavy Metals Contaminants in Used Lubricating Oil Using Palm Kernel and Coconut Shells Activated Carbons Kwasi Opoku Boadu · David Kofi Essumang · Benson Osa Evbuomwan · Ogbonna Friday Joel This research work investigated the adsorption of some heavy metals contaminants in used lubricating oil using chemically activated carbon adsorbents produced from palm kernel and coconut shells. The adsorption mechanism was able to remove… RUF-38245 2020 CC BY 4.0 25 Apr 2020
Journal articles Open Access Physico-chemical and Concentration of Heavy Metals Analyses in Virgin and Used Lubricating Oils: A Spectroscopy Study Kwasi Opoku Boadu · David Kofi Essumang · Benson Osa Evbuomwan · Ogbonna Friday Joel As a result of the changes that occur during their use, lubricating oils from automobiles tend to differ in terms of their physical and chemical composition from virgin and used lubricating oils. The analyses of the heavy metals distributi… RUF-38227 2019 CC BY 4.0 16 Apr 2020
Journal articles Open Access A Review of Methods for Removal of Contaminants in Used Lubricating Oil Kwasi Opoku Boadu · David Kofi Essumang · Benson Osa Evbuomwan · Ogbonna Friday Joel Management and disposing of used lubricating oil (ULO) poses deleterious effects to air, land and water pollution. These contaminants not only causes environmental problems, they also have bioaccumulation effects on living organisms, reduc… RUF-38226 2019 CC BY 4.0 16 Apr 2020
Journal articles Open Access Comparative Studies of the Physicochemical Properties and Heavy Metals adsorption Capacity of Chemical Activated Carbon from Palm Kernel, Coconut and Groundnut Shells Kwasi Opoku Boadu · David Kofi Essumang · Benson Osa Evbuomwan · Ogbonna Friday Joel Comparative studies of the physicochemical properties of chemical activated carbon from palm kernel (PKS), coconut (CNS) and groundnut (GNS) shells were investigated. The properties investigated were pH, moisture content, specific gravity,… RUF-38220 2018 CC BY 4.0 12 Apr 2020
Theses & Dissertations Open Access REMOVAL OF CONTAMINANTS IN USED LUBRICATING OIL WITH CHEMICAL ACTIVATED CARBONS FROM PALM KERNEL AND COCONUT SHELLS Kwasi Opoku Boadu This research work examined the heavy metals contaminants and physico-chemical parameters of virgin and used lubricating oils using Atomic Adsorption Spectrometer for copper, cadmium, zinc, lead, magnesium, iron and chromium elements using… RUF-38216 2020 CC BY 4.0 10 Apr 2020
Journal articles Open Access Improving shrimp fishers’ fishing and bargaining abilities through social networks knowledge transfer in Rivers State, Nigeria P. Isubikalu · G. W. Komi The knowledge of the use of fishing gear and the ability to negotiate price depend on the information available to the fishers. They draw on social relationships to acquire information relating to fishing opportunities, contributing to kno… RUF-38211 2019 CC BY 4.0 9 Apr 2020
Journal articles Open Access Improving shrimp fishers’ fishing and bargaining abilities through social networks knowledge transfer in Rivers State, Nigeria P. Isubikalu · G. W. Komi The knowledge of the use of fishing gear and the ability to negotiate price depend on the information available to the fishers. They draw on social relationships to acquire information relating to fishing opportunities, contributing to kno… RUF-38210 2019 CC BY 4.0 9 Apr 2020
Journal articles Open Access Promoting co-existence among shrimp fishers through social networking: a qualitative study on influence of bonding on linkage in Rivers State O.M. Adesope · P. Isubikalu · G. W. Komi · Nelson Turyahabwe Social network is an effective strategy in promoting coexistence among shrimp fishers in Rivers State Nigeria. The study assessed how network bonding is stimulating the bridging and linking among actors in eight fishing settlements of Rive… RUF-38105 2019 CC BY 4.0 27 Aug 2019
Journal articles Open Access Topsoil removal and cultivation effects on structural and hydraulic properties P.O. Abam · S. Omovbude · Bassey Etim Udom Topsoil removal and intensive cultivation of fragile sandy loam soil may reduce water movement into and within the soil and decrease available water capacity. The purpose of this study was to determine if topsoil removal (SSR) and 10-year … RUF-38065 2018 CC BY 4.0 29 May 2019
Journal articles Open Access Plastic limits and aggregates of soil after five annual applications of poultry manure and spent mushroom substrate Joy John Oluchi · Bassey Etim Udom Background and Objective: Information concerning moisture properties of soil on account of their direct relation with changes of soil matrix can be obtained by evaluating the Atterberg limits of the soil. The study was carried out to evalu… RUF-38059 2019 CC BY 4.0 29 May 2019
Journal articles Open Access Critical moisture content, bulk density relationships and compaction of cultivated and uncultivated soils in the humid tropics Joy Ehilegbu · Bassey Etim Udom Soil compaction affects soil fertility through increasing bulk density and soil strength. It also decreases infiltration rate, total porosity and amount of water stored in the root zone for crop use. In this study, we evaluated the optimum… RUF-38055 2018 CC BY 4.0 29 May 2019
Journal articles Open Access Oil-gas and environmental nexus: impact of human actions on selected soil physicochemical parameters in Port Harcourt and its environment, Nigeria W.P. Muyoma Impact of oil and gas activities on quality of soil in Port Harcourt and its environments was assessed. The study evaluates levels of physicochemical parameters associated with oil and gas industry in soils of 9 locations in Port Harcourt … RUF-37863 2018 CC BY 4.0 10 Jan 2019
Working Document Series Open Access A Mathematical Aso-Oke: Ndebele dolls, vertex-edge graphs, cryptology and number patterns in the lives of African Women in Agricultural Research and Development (AWARD) M. A. Nkechi · W. Olabukunola · O. Tolulope · S. Williams The Mathematical Aso-Oke: Ndebele dolls, vertex-edge graphs, cryptology and number patterns in the lives of African Women in Agricultural Research and Development (AWARD) stems from work within the 2014 Carnegie African diaspora fellowship… RUF-37626 2016 CC BY 4.0 3 May 2018
