Dr. Nkwopara Ugochukwu Nnamdi
LecturerDepartment of Soil Sciences, Federal University of Technology Owerri, Owerri, Imo State, Nigeria
Highest Degree
Ph.D. in Agricultural Science from Huazhong Agricultural University, China
Share this Profile
Area of Interest:
Selected Publications
- Nkwopara, U.N., 2018. Variability in selected soil properties of soils of dissimilar parent materials in the humid tropics. Int. J. Environ. Agric. Biotechnol., 3: 1467-1472.
Direct Link | - Nkwopara, U.N. and H. Hu, 2018. Sorption of lead on variable charged soils as affected by temperature and time in three Provinces of China. Int. J. Environ. Agric. Biotechnol., 3: 1486-1492.
CrossRef | Direct Link | - Nkwopara, U.N., E.E. Iwuchukwu, N.H. Okoli , A. Osisi, E.E. Ihem and S.U. Onwudike, 2017. Vertical distribution of cadmium in selected soils of varying lithosequences in a humid tropical environment. Int. J. Agric. Rural Dev., 20: 3159-3164.
Direct Link | - Ihem, E.E., U.N. Nkwopara, B.N. Ndukwu and S.U. Onwudike, 2017. Macro-aggregate stability of soils under selected parent materials in Imo state, Nigeria. Int. J. Agric. Rural Dev., 20: 3121-3121.
Direct Link | - Onwudike, S.U., B.U. Uzoho, E.E. Ihem, C.M. Ahukaemere, U. Nkwopara, I.F. Irokwe and G.I. Echeanyanwu, 2016. Evaluation of the fertility status of selected soils in Mbaise, Imo State southeastern Nigeria using nutrient index method. Agrosearch, 16: 75-86.
Direct Link | - Okoli, N.H., B.U. Uzoho, E.U. Onweremadu, U.N. Nkwopara and I.F. Irokwe, 2016. Zinc fractionation of soils of different parent materials and their relationships with some soil properties. Malaysian J. Soil Sci., 20: 49-60.
- Nkwopara, U.N., N.H. Okoli, A. Osisi, E.E. Ihem, I.I. Ekpe, M.A. Okon and H. Hu, 2016. Effect of some operating variables on adsorption of lead on variable charge soils of southern China. Res. J. Agric. Environ. Manage., 5: 177-186.
- Nkwopara, U.N., E.T. Eshett, E.U. Onweremadu, E.E. Ihem and B.N. Ndukwu, 2016. Clay mineralogy of selected soils formed under different lithologies in South-eastern Nigeria. FUTO J. Ser., 2: 90-95.
- Ndukwu, B.N., E.U. Onweremadu, U.N. Nkwopara, C.M. Ahukaemere, E.E. Ihem and L.C. Agim, 2016. Variability of selected soil properties of a river slope in Amaigbo, Southeastern Nigeria. FUTO J. Ser., 2: 8-16.
- Ahukaemere, C.M., E.U. Onweremadu, B.N. Ndukwu and U.N. Nkwopara, 2016. Properties of soils of contrasting lithosequences in south-eastern Nigeria. FUTO J. Ser., 2: 48-56.
- Nkwopara, U.N., C.M. Chris-Emenyonu, E.E. Ihem, B.N. Ndukwu and E.U. Onweremadu et al., 2015. Batch studies for the investigation of the mechanism of Pb sorption in selected acid soils of China. Agric. For. Fish., 4: 11-20.
- Ndukwu, B.N., E.U. Onweremadu, C.M. Ahukaemere, E.E. Ihem, U.N. Nkwopara and D.N. Osujieke, 2015. Distribution and concentration of cadmium in automobile polluted soils in Owerri South-eastern Nigeria. Nig. J. Soil Sci., 25: 135-145.
- Ihem, E.E., G.E. Osuji, E.U. Onweremadu, B.U. Uzoho and U.N. Nkwopara et al., 2015. Variability in selected properties of crude oil-polluted soils of izombe, Northern Niger Delta Nigeria. Agric. For. Fish., 4: 29-33.
- Uzoho, B.U., U.N. Nkwopara, E. Ihem, C. Eke, J.C. Odum and S. Onwudike, 2014. Chemical speciation and mobility of cadmium and lead in waste dumpsite in Owerri, Southeastern Nigeria. J. Chem. Biol. Phys. Sci., 4: 1721-1734.
- Uzoho, B.U., E. Ihem, S. Onwudike, L. Agim and U. Nkwopara et al., 2014. Phosphorus sorption capacity of soils in relation to landuse types in Mbaise, Southeastern Nigeria. J. Chem. Biol. Phys. Sci., 4: 1710-1720.
- Omeke, J.O., U.N. Nkwopara, E.T. Eshett, S.U. Onwudike and B.U. Uzoho et al., 2014. Properties of soils of dissimilar lithology supporting yam-based cropping system in Southeastern Nigeria. Int. J. Agric. Rural Dev., 17: 1914-1925.
- Omeke, J.O., U.N. Nkwopara, E.E. Ihem, C. Ahukaemere, B.U. Uzoho, I.U. Opara and H. Hu, 2014. Adsorption of lead on some variable charge soils in China: Effect of initial metal concentration. Int. J. Agric. Rural Dev., 17: 1926-1933.
- Nkwopara, U.N. and H. Hu, 2014. Organic acids influence on lead adsorption onto variable charge soils in China. Int. J. Dev. Sustain., 2: 2110-2123.
Direct Link | - Ihem, E.E., C.M. Ahukaemere, U.N. Nkwopara, C. Chris-Emenyonu, N.H. Okoli and A. Osisi, 2014. Differences in particle size distribution of soils of Northern Niger Delta of Nigeria as affected by crude oil pollution. Int. J. Res. Agric. For., 1: 16-20.
- Ihem, E.E., G.E. Osuji, E.U. Onweremadu, S.U. Onwudike, U.N. Nkwopara, B.N. Ndukwu and B.U. Uzoho, 2014. Variability in properties of soils under three land use types in a humid tropical environment. Int. J. Dev. Sustainability, 3: 923-930.
Direct Link | - Ahukaemere, C.M., U.N. Nkwopara and O.S. Ekpenyong, 2014. Profile distribution of selected essential micronutrient in paddy soils of Abia State, Southeastern Nigeria. Nig. J. Soil Sci., 24: 158-165.
- Nkwopara, U.N., I. Mohammed, M. Ali, J. Igbal and Q. Fu et al., 2013. Impacts of inorganic ions and temperature on lead adsorption onto variable charge soils. Catena, 109: 103-109.
CrossRef | Direct Link | - Nkwopara, U.N., E. Ihem, L. Agim, B. Uzoho, E. Onweremwdu, C. Ahukaemere and H. Hu, 2013. Effect of temperature and mechanism of Pb sorption on selected acid soils of Southern China. Acta Agron. Niger., 13: 43-56.
- Nkwopara, U.N., J.O. Omeke, E.T. Eshett, E. Ihem, B.N. Ndukwu and S.N. Obasi, 2012. Some physic-chemical characteristics of arable soils around selected oil exploration sites in the Niger Delta region of Nigeria. Int. J. Agric. Rural Dev., 15: 1298-1309.
- Nkwopara, U.N., J.O. Omeke and S.N. Obasi, 2012. Assessment of Pb concentration of arable soils around oil exploration sites in Niger Delta, Nigeria. Int. J. Agric. Rural Dev., 15: 1247-1252.
- Nkwopara, U.N., I. Ali, Q. Fu, J. Zhu, G. Jiang and H. Hu, 2012. Sorption of lead on variable-charge soils in China as affected by initial metal concentration, pH and soil properties. J. Food Agric. Environ., 10: 1014-1019.
- Nkwopara, U.N., E.U. Onweremadu and H. Hu, 2012. Retention of lead in acid soils of Southern China: Impact of inorganic and organic anions. Int. J. Environ. Sci. Eng. Res., 3: 1-9.
- Duruigbo, C.I., M.O. Ofor, U. Nkwopara and B.N. Ndukwu, 2008. Efficacy of siamweed mulch on soil nutrient status and maize yield in a degraded Isohyperthermic Arenic sandiudult. Int. J. Agric. Rural Dev., 11: 11-15.
- Nkwopara, U.N., E.T. Eshett, E.U. Onweremadu, C.C. Opara and J.O. Omeke, 2007. Physico-chemical properties of selected soils overlying three parent materials in the humid tropics. Int. J. Agric. Food Syst., 1: 159-164.
CrossRef | Direct Link | - Onweremadu, E.U., U. Nkwopara, C. Opara, G. Ihejirika, V. Onyia and M. Ofoh, 2006. Vertical distribution of heavy metals in two soils in Isikwuato, Abia state, Southeastern Nigeria. J. Sustain. Trop. Agric. Res., 18: 17-21.
- Onweremadu, E.U., C.C. Opara, U. Nkwopara, C.I. Duruigbo and I.I. Ibeawuchi, 2006. Yield response of a cowpea variety on ground seashells on Isohyperthermic Arenic Kandiudult of Owerri, Southeastern Nigera. Int. J. Soil Sci., 1: 251-257.
Direct Link |