Professor Onyinyechi Kamalu

Journal Publications

  1. Needam B. G. and Kamalu O. J. (2024). Morphological Characterization and Classification of soils in Khana area of Niger Delta, Nigeria. IIARD International Journal of Geography and Environmental Management. E-ISSN: 2695-1878.
  2. Mbee Sarah, B., Chukwumati, J. A., and Kamalu, O. J. (2024). Carbon and Nitrogen Sequestration Potential of Various Land Use Types in Tai area, Rivers State. International Journal of Research Publication and Review, 5(5): 7894-7905. [Link]
  3. Kamalu, O. J., and Mbee, S. B. (2024). Soil Carbon and Nitrogen Status as Affected by Land Use Types in Tai Area of Rivers State. South Asian Research Journal of Agriculture and Fisheries, 6(2): 1–8. [Link]
  4. Bidein, T., Zakka, U., and Kamalu, O. J. (2023). Termitarium Architecture and the Relationship with Soil Properties. AJATE, 10(2): 59–69.
  5. Ikolo O. E., Kamalu, O. J., and Chukwumati, J. A. (2023). Heavy Metals and Hydrocarbon in Sediments and Crab (Cardisoma armatum) and Ecological Risk Assessment of Amadi Creek, Port Harcourt. International Journal of Applied Science and Research, 6(2): 115–129.
  6. Ibipiriene, I., Udom, B. E., and Kamalu, O. J. (2022). Organic Matter and Physical Properties of Crude Oil Contaminated Soil Amended with Termite Soil and Blue Porter Plant. Journal of Global Ecology, 16(4): 97–106. [Link]
  7. Kamalu, O. J., Ogio, V., and Ikiriko, M. E. (2022). Evaluation of Soil Quality Under Different Land Use Types in the Coastal Plain Sands of Niger Delta. Journal of Global Ecology and Environment, 15(4): 37–44. ISSN: 2454-2644.
  8. Ikiriko, M. E., Kamalu, O. J., and Joseph, I. E. (2022). Potassium Fixation of Some Soils Derived from Different Parent Materials in Cross River State, Nigeria. Greener Journal of Agricultural Sciences, 12(1): 1–15.
  9. Dickson, A., Tate, J., Kamalu, O. J., and Payou, O. (2021). Characterization and Classification of Some Alluvial Soils of the Lower Niger River Floodplains in Bayelsa State, Nigeria. Bulgarian Journal of Soil Science Agrochemistry and Ecology, 55(3-4): 45–62.
  10. Udom, B., Nuga, B. O., and Kamalu, O. J. (2021). Sealing Index and Hydro-Physical Properties of Shale and Coastal Plain Sand Under Managed Forest Ecosystems. Journal of Global Ecology and Environment, 11(4): 32–42.
  11. Chukwumati, J. A., and Kamalu, O. J. (2021). Capability of Vetiver (Vetivera zizanioides), Guinea Grass (Panicum maximum), and Organic Manures to Remove Total Hydrocarbon and Heavy Metals from Crude Oil Contaminated Soil in Port Harcourt. Advances in Research, 22(3): 18–29. ISSN: 2348-0394. [Link]
  12. Dickson, A. A., and Kamalu, O. J. (2021). Soil Fertility and Productivity Evaluation of Some Benchmark Oil Producing Communities of the Sombreiro Warri Deltaic Plains. International Journal of Innovative Agriculture and Biology Research, 9(2): 1–15.
  13. Kamalu, O. J., and Chukwumati, J. A. (2021). Heavy Metals and Hydrocarbon Status of Ogba-Egbema Soils of Niger Delta, Nigeria. International Journal of Multidisciplinary Research and Growth Evaluation, 2(2): 165–171. ISSN: 2582-7138.
  14. Kamalu, O. J., Anozie, H. I., Amadi-Raphael, K. A. S., and Aronu, I. (2021). Variation in Morphological and Physical Properties and Land Use Potential Along a Toposequence in Ekwusigo Area of Anambra State. New York Journal of Science, 14(2): 17–26.
  15. Kamalu, Onyinyechi Jas, and Ndeh, Aniebet Bassey. (2021). The Study of Soil Quality Indicators in Ibiono Ibom Area of Akwa Ibom State, Nigeria. International Journal of Advances in Scientific Research and Engineering, 7(2): 34–47. [Link]
  16. Needam B.G., Wokocha, C.C., and Kamalu, O.J. (2020). Land Use Change Detection of Khana Local Government Area of Rivers State Using Remote Sensing and GIS. International Journal of Advances in Scientific Research and Engineering, 6(12). [Link]
  17. Hamza S. A., Hesham A., Serife G., Ndifreke E.W., Olusola B., and Kamalu, O.J. (2020). Farmers' Knowledge, Practices, and Health Problems Associated with Pesticide Use in West Tripoli, Libya. Archives of Current Research International, 20(6): 42–57. [Link]
  18. Chukwumati, J.A., and Kamalu, O.J. (2020). Heavy Metals Distribution Along Waste Dumpsites in Obio Akpor Local Government Area of Rivers State, Nigeria. Journal of Nigeria Environmental Society (JNES), 13(1): 55–62.
  19. Simon, U.G., and Kamalu, O.J. (2019). Effect of Humic Substances on Aggregate Stability and Soil Health Under Different Land Uses in Ikwuano, Abia State. IDOSR Journal of Biochemistry, Biotechnology, and Allied Fields, 4(1): 72–87. ISSN: 2579-0811.
  20. Benwari, A.O., and Kamalu, O.J. (2019). Microbial Population Dynamics and Composition in Crude Oil-Contaminated Soils Treated with Microorganisms and Guinea Grass (Panicum maximum). Journal of Biology, Agriculture and Healthcare, 9(16).
  21. Udom, B.E., Nuga, B.O., and Kamalu, O.J. (2019). Sealing Index and Hydro-Physical Properties of Shale and Coastal Plain Sand Under Managed Forest Ecosystems. Journal of Global Ecology and Environment, 11(4): 32–42.
  22. Kamalu, O.J., Enyioko, C.O., Nwokocha, C.C., and Amadi-Raphael, K.A.S. (2019). Characterization of Chemical Properties of Soils in Relation to Landscape Position in Southwestern Anambra State, Nigeria. International Journal of Agriculture and Rural Development, 22(1): 3897–3904.
  23. Bassey E.U., and Kamalu, O.J. (2019). Crop Water Requirements During Growth Period of Maize (Zea mays L.) in a Moderate Permeability Soil on Coastal Plain Sands. International Journal of Plant Research, 9(1): 1–7. [Link]
  24. Unaeze, H.C., and Kamalu, O.J. (2019). Determinants of Farmers' Response to Agrochemical Usage in Ikwerre Local Government Area of Rivers State, Nigeria. Greener Journal of Agricultural Science, 9(1): 57–64.
  25. Kamalu, O.J., Ndeh, A.B. (2019). Rural Farmers’ Participatory Soil Quality Assessment in Ibiono Ibom Area, Akwa Ibom State, Nigeria. Greener Journal of Agricultural Sciences, 9(4): 466–472.
  26. Enyioko, C.O., Akande, S.O., Kamalu, O.J., and Nwokocha, C.C. (2019). Evaluation of Selected Soil Structural Properties of Different Land Uses in Oforola, Imo State, Nigeria. Nigerian Journal of Soil Science (NJSS), 29(1): 1–11.
  27. Omenihu, A.A., Kamalu, O.J., and Ofoegbu, O.M. (2017). Effect of Different Sources and Rates of Mulch on Some Soil Physical Properties and Yield of Fluted Pumpkin (Telfairia Occedentalis) on an Ultisol in Southern Nigeria. African Journal of Agriculture, Technology and Environment, 6(2): 145–153. E-ISSN: 2346-7290.
  28. Wokocha, C.C., Wuche, G.E., and Kamalu, O.J. (2017). Determining the Effect of Vegetation on Soil Properties Using GIS in Eleme Area of Rivers State. International Journal of Agriculture and Earth Science, 3(8). [Link]
  29. Kamalu, O.J., Anozie, H., and Ovat, N. (2018). Morphological Characterization and Soil Quality Assessment Along a Toposequence in Obubra, Cross Rivers State, Nigeria. New York Science Journal, 11(6): 1–12. [Link]
  30. Kamalu, O.J., and Orji, O.A. (2018). Physical Properties, Potentials, and Vulnerability of the Soils of Sombreiro Warri Deltaic Plain, Nigeria. IOSR Journal of Agriculture and Veterinary Science (IOSR-JAVS), 11(3): 1–11. [Link]
  31. Kamalu, O. J., and Orluchukwu, J. A. (2018). Effect of Different Rates of Poultry Manure on Cassava (Manihot Species) TMS 419 on an Ultisol in the Niger Delta, Nigeria. African Journal of Agriculture and Environment, 7(2): 99–109.
  32. Kamalu, O. J., and C. C. Wokocha (2019). Assessment of Land Use Patterns and Land Cover Change in Igwuruta Area of Rivers State, Nigeria. IIARD International Journal of Geography and Environmental Management, 5(1): 10–19. [Link]
  33. Kamalu, O. J., Anozie, H. I., Amadi-Raphael, K. A. S., and Aronu (2021). Variation in Morphological and Physical Properties and Land Use Potential Along a Toposequence in Ekwusigo Area of Anambra State. New York Journal of Science, 14(2): 17–26.
  34. Ugwa, I. K., Orimoloye, J. R., Kamalu, O. J., and Obazuaye, E. (2017). Morpho-Physical Properties and Related Management Implications of Some Inceptisols in Two Ecological Zones of Southern Nigeria. FUTO Journal Series, 3(1): 258–272. E-ISSN: 2476-8456.
  35. Enyioko, C. O., Akande, S. O., Kamalu, O. J., and Nwokocha, C. C. (2017). Effect of Different Tillage Practices on Selected Physico-Chemical Properties of Soils in Owerri Area of Imo State, Nigeria. International Journal of Agriculture and Rural Development, 20(1): 2974–2979.
  36. Enyioko, C. O., Akande, S. O., Nwite, J. N., and Kamalu, O. J. (2017). Straw Mulch Levels and Selected Physical and Chemical Properties of Oforola, Imo State, Nigeria. International Journal of Agriculture and Rural Development, 20(2): 3226–3231.
  37. Chima, U. D., and Kamalu, O. J. (2016). Plant Species Diversity and Abundance in Soil Seed Banks of Natural Forest and Monoculture Plantations in Omo Biosphere Reserve, Nigeria. Nigerian Journal of Agriculture, Food, and Environment, 12(4): 73–81.
  38. Kamalu, O. J.; Titus, J. G.; and Udensi, E. U. (2016). Preliminary Investigation of the Adaptation of Some Kenaf (Hibiscus cannabinus L) Genotypes in the Coastal Plain Sand of Niger Delta. Journal of Agriculture and Ecology International, 9(4): 1–7. ISSN: 2394-1073.
  39. Kamalu, O. J., Nwaonuala, A. I. (2015). Characterization and Suitability Evaluation of Ogba Soils for Cassava Production. Acta Agronomica Nigeriana, 15(1): 64–75.
  40. Kamalu, O. J., Ugwa, I. K., and Omenihu, A. A. (2014). Survey, Classification, and Suitability Evaluation of Akwete Soils for Rubber (Hevea brasiliensis) Cultivation in Southeastern Nigeria. Acta Agronomica Nigeriana, 14(1 & 2).
  41. Kamalu, O. J., Ikpe, F. N., and Wokocha, C. C. (2014). GIS Land Use Mapping and Soil Resources Directory of Ogba-Egbema Area of the Niger Delta, Nigeria. Acta Agronomica Nigeriana, 14(1 & 2).
  42. Kamalu, O. J., Wokocha, C. C., and Jack-Kurotamunoye, A. S. (2013). Impact of Oil and Gas Production on Soil Quality in Sombreiro Warri Deltaic Plain: Case Study of Obagi Field. International Journal of Applied Research and Technology, 2(3): 137–144.
  43. Udom, B. E., Nuga, B. O., and Kamalu, O. J. (2012). Effects of Long-Term Cattle Grazing on Structural Stability and Some Chemical Properties of a Seasonally Flooded Vertisol. The Nigerian Agricultural Journal, 43: 126–134. ISSN: 0300-368X.
  44. Chima, U. D., Kamalu, O. J., and Omokhua, G. E. (2011). Comparative Assessment of Floral and Faunal Diversity of Two Proposed Project Sites in the Niger Delta Region of Nigeria. International Journal of Plant, Animal and Environmental Sciences, 1(2).
  45. Kamalu, O. J., and Omenihu, A. A. (2011). Mineralogy and Pedogenesis of the Meander Belt Soils of Niger Delta. ABSU Journal of Environmental Science and Technology, 1: 119–127.
  46. Kamalu, O. J., and Wokocha, C. C. (2011). Land Resources Inventory and Ecological Vulnerability Assessment of Owners Area in Rivers State, Nigeria. Research Journals of Environmental and Earth Sciences, 3(5): 438–447. ISSN: 2041-0492.
  47. Wokocha, C. C., and Kamalu, O. J. (2011). Mapping of Soils of Ikot Ekpene Area of Akwa Ibom State: A Remote Sensing Perspective. Agricultural Journal, 4(2): 63–65. Medwell Publishing.
  48. Kamalu, O. J., Omenihu, A. A., and Nwachukwu, A. N. (2010). A Survey of Organic Matter Status in Major Soils of the Niger Delta, Nigeria. Journal of Agricultural Biology and Food Research, 1(1): 127–133.
  49. Osodeke, V. E., Kamalu, O. J., and Omenihu, A. A. (2003). Characterization and Suitability Evaluation of Representative Rubber-Growing Soils of Nigeria. Journal of Tropical Agriculture, Food, Environment, and Extension, 3: 41–46.
  50. Kamalu, O. J., Isirimah, N. O., Ugwa, I. K., and Orimoloye, J. R. (2002). Evaluating the Characteristics of the Meander Belt Soils of the Niger Delta, Southeastern Nigeria. Singapore Journal of Tropical Geography, 23(2).
  51. Damian O. Asawalam, V. E. Osodeke, O. J. Kamalu, and I. K. Ugwa (1999). Effects of Termites on the Physical and Chemical Properties of the Acid Sandy Soils of Southern Nigeria. Communications in Soil Science and Plant Analysis, 30(11 & 12): 1697–1706.
  52. Osodeke, V. E., and Kamalu, O. J. (1997). Determination of Phosphorus Requirements of Rubber Seeding Using Phosphate Sorption Isotherm. Indian Journal of Natural Rubber Research, 10(1 & 2): 116–119.
  53. Osodeke, V. E., and Kamalu, O. J. (1997). Effects of Rubber (Hevea brasiliensis) Cultivation on Soil Chemistry in Southern Nigeria. Transactions of the Nigerian Society for Biological Conservation, 5(1).
  54. Osodeke, V. E., Asawalam, D.O.K., Kamalu, O. J., and Ugwa, I. K. (1993). Phosphorus Sorption Characteristics of Some Soils of the Rubber Belt of Nigeria. Communications in Soil Science and Plant Analysis Journal, 24(13 & 14): 1733–1744.
  55. Osodeke, V. E., and Kamalu, O. J. (1992). Phosphorus Status of Hevea Growing Soil of Nigeria. Indian Journal of Natural Rubber Research, 5(1 & 2): 107–112.