Post Graduate Diploma Supervision

1. The effects of different combinations of some organic manures on the growth of amaranthus (Amaranthus vividis L.). PGD. thesis with Arifalo, Samuel Olajide (2002).
2. Growth and yield of Nsukka yellow pepper (Capsicum annum L.) under different mulch materials. PGD. thesis with Itatat, Stella L. (2004).
3. Effects of organic materials on the growth and yield of Nsukka Yellow Pepper(Capsicum annum L.). PGD. thesis with Ossia, Ngozi Stella (2006).
4. The effect of organic ‘supersoil’ on soil properties and performance of tomato (Solanum lycopersicum) in Port Harcourt. PGD. thesis with Nwachukwu, Solomon Ugochukwu (2017).
5. Effects of different liming materials and time on soil acidity. PGD. thesis with Africa, Barizorge Celestine (2022).

Master Of Science Supervision

1. Fungal spoilage of tomato (Lycopersicon esculentum mill) and its control with biocides MSc. thesis with Daddy-West, Comfort (2008).
2. Soil physico-chemical properties and maize (Zea mays L.) yield under contrasting land use systems in southeastern Nigeria. MSc. thesis with Mgbonu, Kelechi (2008).
3. Evaluation of spent mushroom substrate, poultry manure and urea as soil amendments for growing fluted pumpkin (Telfairia occidentalis Hook F.). MSc. thesis with Ewuzie, Patricia Odawayi (2009).
4. Response of Okra (Abelmoschus esculentus L. Moench) to oil palm bunch residue ash and urea on coastal plain sands. MSc. thesis with Nna, Maxwell Baridon (2009).
5. Effect of municipal solid wastes on soil bacteria population and maize (Zea mays L.) growth in selected dumpsites in Yenagoa. MSc. thesis with Simeon, Princewill Okpoitari (2009).
6. Response of African spinach (Amaranthus sp.) to oil palm residue ash and urea on coastal plain sands of Port Harcourt. MSc. thesis with Amadi, David Ofurum, (2010).
7. Effect of mixture of decomposed palm bunch refuse and topsoil on growth and development of Pleurotus tuberregium (FR.) Sing (oyster mushroom). MSc. thesis with Gbara, Alice (2017).
8. Phosphorus sorption capacity of selected wetland and upland soils of Rivers State. MSc. thesis with Amaechi, Progress Uchenna (2017).
9. Quality assessment of raw groundnut (Arachis hypogaea L.) seeds sold in Port Harcourt metropolis Rivers State. MSc. thesis with Tobin-West Maureen Diepriye (2018).
10. Effect of crude oil contamination on the rhizospere soil of maize (Zea mays L.) cowpea (Vigna unguiculata) and okra (Abelmoschus esculentus L.). MSc. thesis with Onyiba, Princewill Ogugua (2018).
11. Effect of inorganic fertilizer and frequency of leaf harvest on growth and yield of Telfairia occidentalis (Kook F.) in Port Harcourt. MSc. thesis with Dienebiwari, Numoemi Ayebaemi (2019).
12. Effect of effective microorganism (EM) and organic materials on soil microbial activities, soil structure and performance of maize. MSc. thesis with Ene, David Ukela (2019).
13. Effect of different compost materials on physico-chemical properties of the soil and performance of green pepper (Capsicum annum L.) MSc. thesis with Wali, Chinwendu (2019).
14. Effect of effective microorganism (EM) treated fish pond effluent on soil microbial activities, physico-chemical properties and performance of cucumber (Cucumis sativa L). MSc. thesis with Akukalia, Chidinma Mercy (2019).
15. Evaluation of genetic variability and character association of yield and yield components of various varieties of rice (Oryza sativa L.) MSc. thesis with Okoye, Chidinma Christiana (2020).
16. Field performance and chemical composition of eleven cassava varieties.    MSc. thesis with Theophilus, Juliet (2020).
17. Effect of land use and seasons on soil infiltrability MSc. thesis with Nwachukwu, Solomon Ugochukwu (2021).
18. Effect of activated biochar on soil properties and performance of maize (Zea mays) MSc. thesis with Anthony, Bestman Ufort (2021).
19.   Effect of various calcium sources on the base saturation of an ultisol and performance of okra (Abelmoschus esculentus L.) MSc. thesis with Onyeije, Humphrey Emeka (2022).
20. Effect of various land use on the spatial variability of soil physical properties.   MSc. thesis with Oleru, Grace Chidinma (2022).
21. Effect of liquid and solid fertilizers on soil properties and performance of okra (Abelmoschus esculentus L.) MSc. thesis with Osaro, Esther Tampioru (On going).

Doctor Of Philosophy Supervision

1. Effect of agronomic practices on the performance of oyster mushroom (Pleurrotus tuberregium) in Uyo Akwa Ibom Ph.D. thesis with Akpan, Edna Augustine (2009).
2. Fungal seeds borne pathogens of okra (Abelmoschus esculentus L. moench) and their control. Ph.D. thesis with Oyadiran Tosin Funmi (2011).
3. Effects of “mild” steel buried in crude oil polluted soils on the iron content and growth response of maize (Zea mays L) crop. Ph.D. thesis with Onwugbuta, Godspower Chukwuemeka (2018). 
4. Effects of “mild” steel buried in crude oil polluted soils on the iron content and growth response of maize (Zea mays L) crop. Ph.D. thesis with Onwugbuta, Godspower Chukwuemeka (2018).
5. Phosphorus forms and uptake from soils with varying parent materials in Cross River State, Nigeria. Ph.D. thesis with Abam, Prince Okori (2018).
6. Microbiological, physical and chemical characteristics of two vegetation soils and their effects on cowpea performance I Rivers State. Ph.D. thesis with Ozolua, Anita Omodah (2020).
7. Remediation potential of selected biochemical and almond leaf materials as adsorbents in crude oil contaminated soils. Ph.D. thesis with Amaechi, Progress Uchenna (On going).
8. Effect of organic manure on performance of Pleutorus tuberregium and spent substrates on growth and yield of tomatoe. Ph.D. thesis with Gbarah, Alice (On going).
9. The effect of some different sources of nitrogen on the fertility status of an ultisol and some vegetables production in Rivers State. Ph.D. thesis with Elenwo, Gladstone (On going).