Prof. Dr. John O. Agbenin

Profile

Academic positionFull Professor
Research fieldsSoil Sciences
KeywordsSoil Environmental Chemistry, Food Safety, Soil and Water Pollution, Heavy metals, Phosphorus
Honours and awards

2017: Appointed a Scientific Assessor for Nigerian National Merit Award

2014: Elected Fellow, Nigerian Academy of Science (First Soil Scientist to be elected Fellow of the Academy).

Current contact address

CountryNigeria
CityAdo Ekiti
InstitutionFederal University Oye-Ekiti
InstituteDepartment of Soil Sciences and Land Resources Management

Host during sponsorship

Prof. Dr. Peter Felix-HenningsenInstitut für Bodenkunde und Bodenerhaltung, Justus-Liebig-Universität Gießen, Gießen
Priv. Doz. Dr. Gerhard WelpBereich Bodenwissenschaften, Rheinische Friedrich-Wilhelms-Universität Bonn, Bonn
Start of initial sponsorship01/02/1999

Program(s)

1998Humboldt Research Fellowship Programme

Publications (partial selection)

2017Abdu, N., Agbenin, J.O. and Buerkert, A. Operational speciation of Cd, Pb and Zn in undisturbed soil cores as influenced by cow dung manure. . In: Nigerian Journal of Scientific Research , 2017, 53-59
2015Agbenin, J.O. and Modisaemang, L. Calcium-ammonium exchange in two benchmark soils from Botswana as assessed by competing semi-empirical ion exchange equations. . In: Communications in Soil Science and Plant Analysis 46: 2757-2773, 2015, 2757-2773
2015Agbenin, J.O. and Modisaemang, L. Charge properties and the interaction of pH and ionic strength on phosphate adsorption characteristics of two benchmark soils from Botswana. . In: Communications in Soil Science and Plant Analysis , 2015, 2821-2836
2015Abdulkadir, A., Sangare, S.K., Amadou, H. and Agbenin, J.O. Nutrient balances and economic performance in urban and peri-urban vegetable production systems of three West African Cities. . In: Experimental Agriculture , 2015, 126-150
2014Agbenin, J.O. and Modisaemang, L. Potassium?ammonium exchange of two benchmark soils from Botswana and its implication for nitrogen economy of the soils. . In: Archives of Agronomy and Soil Science , 2014, 827-840
2013Ugbaje, S.U. and Agbenin, J.O. Suitability of urban wastes for crop production in Zaria, northern Nigeria: bioavailability, phytotoxicity and fractions of micronutrients. . In: Communications in Soil Science and Plant Analysis , 2013, 2720-2733
2013Egwu, G.N. and Agbenin, J.O. Lead enrichment, adsorption and speciation in urban garden soils under long-term wastewater irrigation in Northern Nigeria. . In: Environmental Earth Sciences, 2013, 1861-1870
2013Abdulkaldir, A., Leffelaar, P.A., Agbenin, J.O. and Giller, K.E. Nutrient flows and balances in urban and peri-urban agroecosystems of Kano, Nigeria. . In: Nutrient Cycling in Agroecosystems , 2013, 231-254
2013Egwu, G.N. and Agbenin, J.O. The profile distribution of Zn and the Zn2+-pH isotherms of savanna Alfisols irrigated with untreated wastewater in Northern Nigeria. . In: Chemical Speciation and Bioavailability , 2013, 97-105
2012Egwu, G.N. and Agbenin, J.O. Adsorption and solid-solution compositional relationships of cadmium in tropical savanna soils from Northern Nigeria. . In: Toxicological and Environmental Chemistry , 2012, 1701-1717
2012Abdu, N. Salawu, I.S., Agbenin, J.O. and Buerkert, A. Assessment of contamination sources of trace metals in wastewater irrigated vegetable garden soils of Kano, northern Nigeria. .. In: Nigerian Journal of Technological Research, 2012, 44-47
2012Agbenin, J.O. and Welp, G. Bioavailability of copper, cadmium, zinc and lead in tropical savanna soils assessed by diffusive gradient in thin films (DGT) and ion exchange resin membranes. . In: Environmental Monitoring and Assessment, 2012, 2275-2284
2012Abdu, N., Agbenin, J.O. and Buerkert, A. Fractionation and mobility of cadmium and zinc in urban vegetable gardens of Kano, Northern Nigeria. . In: Environmental Monitoring and Assessment 184: 2057-2066., 2012, 2057-2066
2012Ugbaje, S.U. and Agbenin, J.O. Suitability of urban wastes for crop production in Zaria, northern Nigeria: bioavailability and geochemical fractions of potentially toxic elements. . In: International Journal of Environmental Studies , 2012, 121-133
2012Egwu, G.N. and Agbenin, J.O. Field assessment of cadmium, lead and zinc contamination of soils and leaf vegetables under urban and peri-urban agriculture in northern Nigeria. . . In: Archives of Agronomy and Soil Science , 2012, 875-887
2012Akpa, S.I. and Agbenin, J.O. Impact of cow dung manure on the solubility of copper, lead and zinc in urban garden soils from Northern Nigeria. . In: Communications in Soil Science and Plant Analysis , 2012, 2789-2800
2011Abdu, N., Agbenin, J.O. and Buerkert, A.: Geochemical assessment, distribution and dynamics of trace elements in urban agricultural soils under long-term waste water irrigation in Kano, northern Nigeria. . In: Journal of Plant Nutrition and Soil Science, 2011, 447-458
2011Abdu, N., Agbenin, J.O. and Buerkert, A. Phytoavailability, human risk assessment and transfer characteristics of cadmium and zinc contamination from urban gardens in Kano, Nigeria. . In: Journal of the Science of Food and Agriculture , 2011, 2722-2730
2011Agbenin, J.O. and Cantarella, H.: Performance of soil testing laboratories in a proficiency test programme in Brazil. . In: Accreditation and Quality Assurance, 2011, 553-559
2011Abdu, N., Abdulkadir, A., Agbenin, J.O. and Buerkert, A. Vertical distribution of heavy metals in wastewater-irrigated vegetable garden soils of three West African cities. Nutrient Cycling in Agroecosystems . In: Nutrient Cycling in Agroecosystems, 2011, 387-397
2010Agbenin, J.O.: Extractability and transformation of copper and zinc added to a tropical savanna soil under long-term pasture. . In: Communications in Soil Science and Plant Analysis, 2010, 1016-1027
2010Agbenin, J.O., G. Welp and Danko M.: Fractionation and prediction of Cu, Pb and Zn uptake by two leaf vegetables from their geochemical fractions in urban garden fields in northern Nigeria. . In: Communications in Soil Science and Plant Analysis , 2010, 1028-1041
2010Agbenin, J.O. and Yakubu, S. 2010: Heterovalent cation exchange in two savanna soils of different lithogenic origin as described by the Rothmund-Kornfeld model. . In: Geoderma , 2010, 128-136
2009Agbenin, J.O., Danko, M. and Welp G.: Soil and vegetable compositional relationships of eight potentially toxic metals in urban garden fields from northern Nigeria. . In: Journal of the Science of Food and Agriculture, 2009, 49-54
2004John O. Agbenin and Peter Felix-Henningsen: Dynamics of copper fractions and solubility in a savanna soil under continuous cultivation. In: Nutrient Cycling in Agroecosystems, 2004, 117-125
2003John O. Agbenin: Extractable iron and aluminum effects on phosphate sorption in a savanna Alfisol. In: Soil science Society of America Journal, 2003, 689-695
2003John O. Agbenin: Soil saturation extract composition and sulfate solubility in a tropical semi-arid soil. In: Soil Science Society of America Journal, 2003, 1133-1139
2003John O. Agbenin: Zinc fractions and solubility in a tropical semi-arid soil under long-term cultivation. In: Biology and Fertility of Soils, 2003, 73-82
2003John O. Agbenin: Zinc fractions and solubility in a tropical semi-arid soil under long-term cultivation.. In: Biology and Fertility of Soils , 2003, 73-82
2002John O. Agbenin: Lead in a Nigerian savanna soil under long-term cultivation. In: Science of the Total Environment, 2002, 1-14
2002John O. Agbenin: The distribution and dynamics of chromium and nickel in cultivated and uncultivated semi-arid soils from nigeria. In: The Science of the Total Environment, 2002, 189-199
2002John O. Agbenin: The impact of long-term cultivation and management history on the status and dynamics of cobalt in a savanna Alfisol in Nigeria. In: European Journal of Soil Science, 2002, 169-174
2001John O. Agbenin and P. Felix Henningsen: The status and dynamics of some trace elements in a savanna soil under long-term cultivation.. In: Science of the Total Environment, 2001, 57-68
2001John O. Agbenin: The status and fluxes of alkali and alkaline-earth metals in a savanna Alfisol under long-term cultivation. In: Catena, 2001, 313-331