| Characterization and land evaluation of three tropical rainforest soils derived from the coastal plain sands of southeastern Nigeria CO Madueke, IK Okore, EC Maduekeh, AO Onunwa, MJ Okafor, ... Journal of Tropical Agriculture, Food, Environment and Extension - Agro …, 2021 | 9 | 2021 |
| Comparative assessment of tropical rainforest soils formed from different geologic formations in southeastern Nigeria CO Maduekea, IK Okorea, EC Maduekehb, AO Onunwaa, M Johnbosco, ... Environment & Ecosystem Science (EES) 5 (1), 47-57, 2021 | 7 | 2021 |
| Effects of four organic amendments on soil physiochemical properties and yield of maize (Zea mays) and cowpea (Vigna unguiculata) Intercrop in Awka, Southeastern Nigeria AO Onunwa, CJ Nwaiwu, JE Nwankwor, CE Emeh, CO Madueke, ... Agro-Science 20 (2), 49-56, 2021 | 5 | 2021 |
| Evaluation of soils on a toposequence formed from the coastal plain sands of the Imo River Basin, Southeastern Nigeria CO Madueke, PC Nnabude, IK Okore, AO Onunwa, EC Madueke, ... Nigerian Journal of Soil Science 31 (2), 1-9, 2020 | 5 | 2020 |
| Soil Physico-chemical Properties, cucumber (cucumis sativus L.)growth and yield as influenced by Land preparation and weed control methods I Uko, AO Onunwa, OO Ndukwe, PC Nwadike, OL Ezennia Nigerian Journal of Crop Science 6 (1), 14-20, 2019 | 2* | 2019 |
| Sawah Rice Farming Eco-technology Options for Enhancing Sustainable Nutrient Management and Rice Production in Degraded Inland Valleys of Southeastern Nigeria JC Nwite, O A. O., CA Igwe, T Wakatsuki International Journal of Plant and Soil Science . 9 (4), 1-19, 2016 | 2 | 2016 |
| Mineralogical Composition and Distribution in Selected Floodplain Soils of Southeastern Nigeria: Implications for Arable Crop Production EC Nnabuihe, CO Madueke, DN Osujieke, ED Chukwu, SN Obasi, ... International Journal of Agriculture, Food and Biodiversity 2 (1), 16-23, 2023 | 1 | 2023 |
| Soil Physicochemical Properties, Growth and Development of Sweet Melon (Cucumis melo L.) as Influenced by some Organic Amendments at Awka, South Eastern Nigeria AO Onunwa, I Uko, CS Ozoagu, CJ Nwaiwu, JE Nwankwo e-Proceedings of the Faculty of Agriculture International Conference, 67-71, 2023 | 1 | 2023 |
| Management of Erosion Ravaged Soils of Southeastern Nigeria PC Nnabude, AO Onunwa, CO Madueke International Journal of Agriculture, Food and Biodiversity 1 (1), 31-42, 2022 | 1 | 2022 |
| Organic Agriculture Research Output: Dissemination, Awareness and Implementation in Selected South-Eastern and South-South Nigerian States AO Onunwa, I Uko, OO Ndukwe, CC Okeke, NT Meludu International Journal of Agriculture, Food and Biodiversity., 2022 | 1 | 2022 |
| Enumeration of carbon and nitrogen contents of water-stable aggregates in layers of topsoils from cultivated and adjacent bush-fallow loamy soils CB Okebalama, CA Igwe, AO Onunwa Agro-Science 21 (1), 103-113, 2022 | 1 | 2022 |
| Agronomic potentials of boiler ash derived from oil palm wastes as fertilizer, soil amendment, and liming materials. RA Ezema, CLA Asadu, AO Onunwa, ATC Ifejimalu Nigerian Journal of Soil Science (NJSS) 30 (1), 118 - 123, 2020 | 1 | 2020 |
| Estimating Lime Requirement and Lime Buffering Capacity of Acid Soils of Zaakpon and Kpean, Khana Local Government Area, Rivers State OA Orji, AO Onunwa Delta Agriculturist 10 (2), 11 - 21, 2018 | 1* | 2018 |
| Tillage and Residual effect of some Organic Amendments on Aggregate associated Soil Carbon of an Ultisol, Growth and Yield of Maize and Cowpea Intercrop AO Onunwa, CA Igwe, OA Mbonu Nigerian Journal of Soil Science 28 (2), 31-41, 2018 | 1 | 2018 |
| Performance Evaluation of Tillage methods and Organic amendments on selected Soil properties and maize-cowpea intercrop in Ultisol, Southeastern Nigeria AO Onunwa, JC Nwite, CA Igwe, CB Okebalama, ON Udegbunam International Journal of Agriculture and Biosciences 5 (5), 306 – 311, 2016 | 1 | 2016 |
| Morphology, Physico-Chemical Properties and Classification of Soils of Coastal Plain Sands in Owerri, Imo State, Southeastern Nigeria EC Nnabuihe, CO Madueke, MJ Okafor, TV Nwosu, CU Ibeh, MN Ibigweh, ... e-Proceedings of the Faculty of Agriculture International Conference, 232-239, 2024 | | 2024 |
| Effect of Different Live Mulches on Soil Physicochemical Properties and Yield of Okra in Nnamdi Azikiwe University, Awka, Nigeria AO Onunwa, JE Nwankwo, CJ Nwaiwu, CE Nwaigwe, I Uko e-Proceedings of the Faculty of Agriculture International Conference, 115-120, 2023 | | 2023 |
| Effect of Different Mulch Materials on Soil Properties, Growth and Yield of Tomato (Lycoperiscon esculentum mill) at Awka, Southeastern Nigeria AO Onunwa, CJ Nwaiwu, CO Madueke, EC Nnabuihe, TV Nwosu, ... e-Proceedings of the Faculty of Agriculture International Conference, 108-114, 2023 | | 2023 |
| Weed Management, Soil Physico-chemical Properties and Growth Response of Hot Yellow Pepper (Capiscum chinense N.) as influenced by different Organic Mulches I Uko, AO Onunwa, NA Obidigwe, CH Okorie African Journal of Organic Agriculture and Ecology 5, 9-18, 2022 | | 2022 |
| Pedology of coastal plain sands and sandstones of the Imo River Basin, Southeastern Nigeria CU Madueke, C.O., Maduekeh, E.C., Okore, I.K., Onunwa, A.O., Okafor, M.J ... Journal of Agriculture and ecosystem management 2 (1), 39 - 50, 2021 | | 2021 |
Charles Arizechukwu IgweUniversity of Nigeria, Nsukka, NigeriaVerified email at unn.edu.ng
