1. Balogun, R.B., J.U. Ogbu, E.C. Umeokechukwu and R.B. Kalejaiye-Matti, 2016. Effective Micro-organisms (EM) as Sustainable Components in Organic Farming: Principles, Applications and Validity. In: Organic Farming for Sustainable Agriculture, Dilip, N. (Ed.). Springer International Publishing, Switzerland, pp: 259-291.
2. Awodoyin, R.O., O.S. Olubode, J.U. Ogbu, R.B. Balogun, J.U. Nwawuisi and K.O. Orji, 2015. Indigenous fruit trees of tropical Africa: Status, opportunity for development and biodiversity management. Agric. Sci., 6: 31-41.
3. Ogbu, J.U., 2014. Genetic Resources and Biodiversity Conservation in Nigeria Through Biotechnology Approaches. In: Biotechnology and Biodiversity, Ahuja, M.R. and K.G. Ramawat (Eds.). Springer International Publishing, Switzerland, pp: 271-286.
4. Ogbu, J.U. and C.E. Umeokechukwu, 2014. Aspects of fruit biology of three wild edible monkey kola species fruits (Cola spp: Malvaceae). Ann. Res. Rev. Biol., 4: 2007-2014.
5. Ibekwe, H.N., J.U. Ogbu, O.A. Uwalaka, S.O. Ngbede and U.N. Onyegbule, 2014. Efficacy of plant derivative insecticide for control of insect pest of Garden egg (Solanum spp) in Southeast Nigeria. Int. J. Sci. Technol. Res., 3: 371-376.
6. Umeokechukwu, C., A.A. Melifonwu, J.U. Ogbu, R.C. Nwoga and R.B. Balogun, 2013. Making a Living from Career in Horticulture and Landscape Technology. In: Sustainable Environmental Management: Issues and Prospects, Bello, R.S., R.B. Balogun and S.N. Okereke (Eds.). Dominion Publishing Services, Ishiagu, Nigeria, pp: 270-280.
7. Umeokechukwe, E.C. and J.U. Ogbu, 2013. Population dynamics of plant parasitic nematodes associated with cocoyam cultivars (Colocasia and Xanthosoma spp). Acta Agron. Nig., 13: 57-63.
8. Ogbu, J.U. and R.B. Balogun, 2013. Environmental Protection and Nigerian Experience: the Place of tree Planting in Natural Habitat Conservation and Restoration. In: Sustainable Environmental Management: Issues and Prospects, Bello, R.S., R.B. Balogun and S.N. Okereke (Eds.). Dominion Publishing Services, Ishiagu, Nigeria, pp: 318-335.
9. Ogbu, J.U. and H.N. Ibekwe, 2013. Characterisation and distribution of indigenous plants research in horticultural society of Nigeria (HORTSON) publications. Nig. J. Hortic. Sci., 18: 35-41.
10. Essien, B.A., J.B. Essien, J.C. Nwite, J.U. Ogbu, S.N. Okereke and M.U. Agunannah, 2013. Contribution of plant species in homestead farms, to food security and sustainability in Ebonyi state South eastern Nigeria. Afr. J. Plant Sci., 7: 317-324.
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11. Ogbu, J.U. and R.B. Balogun, 2012. Ornamental Trees: Applications in Landscape Design and Recreation Maintenance. In: Sustainable Agriculture: Challenges and Prospects, Segun, R.B. and R.B. Balogun (Eds.). CreateSpace, Carolina, SC., pp: 228-237.
12. Nwawuisi, J.U., C. Nwadili, J.U. Ogbu and O.I. Mbah, 2012. Determination of Tuber rot levels and storage Fungi associated with dry season Yam. Int. J. Applied Agric. Res., 7: 137-143.
13. Balogun, R.B., J.U. Ogbu, R.S. Bello, R.C. Nwoga and C. Umeokechukwu, 2012. Developing Resilience to Climate Change Through Agroforestry and Horticultural Technologies. In: Sustainable Agriculture: Challenges and Prospects, Segun, R.B. and R.B. Balogun (Eds.). CreateSpace, Carolina, SC., pp: 207-227.
14. Ogbu, J.U., J.B. Essien and C.E. Okeke, 2011. An appraisal of the ethnobotany and potentials for development of indigenous leafy vegetables of Southeastern Nigeria. J. Trop. Biosci., 9: 31-35.
15. Ogbu, J.U., B.A. Essien and C.E. Umeokechukwu, 2011. Socio-economic assessment of Commercial flower nursery and landscaping enterprise in Calabar Nigeria. J. Applied Agric. Res., 3: 41-47.
16. Balogun, R.B., J.U. Ogbu, L.C. Nwaigbo and R.B. Kalejaiye-Matti, 2011. Effect of Neem (Azadirachta indica Juss.) and Siam weed (Chomolaena odorata L. [R.M.King and Robinson] ) prunings on severity of soil fungi, fertility and yield of sweet potato (Ipomea batata Lam.). J. Sustainable Environ. Manage., 3: 33-39.
17. Ogbu, J.U., B.A. Essien, J.B. Essien and M.U. Anaele, 2010. Conservation and management of genetic resources of horticultural crops in Nigeria: Issues and biotechnological strategies. J. Hortic. Forest., 2: 214-222.
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18. Essien, B.A., J.B. Essien, J.U. Ogbu, J.C. Nwite, U.M. Anaele and C.I. Keke, 2010. Study on Nursery media for germination and early seedling growth of Dennettia tripetala. Nig. J. Hortic. Sci., 15: 9-14.
19. Essien, B.A., J.B. Essien, J.C. Nwite, K.A. Eke, U.M. Anaele and J.U. Ogbu, 2009. Effect of organic mulch materials on maize performance and weed growth in the derived savanna of south eastern Nigeria. Nig. Agric. J., 40: 255-262.
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20. Ogbu, J.U., J.B. Essien and M.U. Anaele, 2007. Ethnobotany of cultivated and wild plants used as spices among the Igbos of Nigeria. J. Res. Biosci., 3: 15-18.
21. Ogbu, J.U., B.A. Essien and C.H. Kadurumba, 2007. Nutritional value of edible wild Cola spp (Monkey kola) fruits of Southern Nigeria. Nig. J. Hortic. Sci., 12: 113-117.
22. Ogbu, J.U. and B.A. Essien, 2007. Assessment of ornamental garden enterprise in Enugu metropolis, Nigeria. Nig. J. Hortic. Sci., 12: 66-70.