1. Onifade, T.B., O.D. Olagunju and O.I. Ojo, 2016. Assessment of weather variability impact of rice yield in South Western, Nigeria. Eur. J. Eng. Technol., 4: 29-38.
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2. Adejumobi, M.A., T.A. Alonge and O.I. Ojo, 2016. A review of the techniques for monitoring soil salinity in irrigated fields. Adv. Multidiscip. Scient. Res., 2: 167-170.
3. Ojo, O.I. and O.I. Alawode, 2015. Assessment of the effects of heavy metals from dumpsite leachate on groundwater quality: A case study of Oyo Town, Nigeria. Int. J. Sci. Eng. Res., 6: 1762-1768.
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4. Adejumobi, M.A., S.K. Aremu, D.O. Idowu and O.I. Ojo, 2015. Effects of irrigation frequency and manure on growth parameters, crop coefficient and yield of Okro (Abelmoscus esculeutus). J. Environ. Earth Sci., Vol. 5. .
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5. Afolayan, S.O., J.A. Adeyemo, F.A.O. Otieno and O.I. Ojo, 2014. Hydrological characterization of twelve water catchments in Nigeria. Am. J. Eng. Res., 3: 248-252.
6. Otieno, F.A., O.I. Ojo and G.M. Ochieng, 2013. Land cover change assessment of vaal harts irrigation scheme using multi-temporal satellite sata. Arch. Environ. Protect., 39: 59-70.
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7. Ochieng, G.M., O.I. Ojo, F.A. Otieno and B. Mwaka, 2013. Use of remote sensing and geographical information system (GIS) for salinity assessment of Vaal-Harts irrigation scheme, South Africa. Environ. Syst. Res., Vol. 2. 10.1186/2193-2697-2-4.
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8. Otieno, F.A.O., I.O. Olumuyiwa and G.M. Ochieng, 2012. Groundwater: Characteristics, qualities, pollutions and treatments: An overview. Int. J. Water Resour. Environ. Eng., 4: 162-170.
9. Oriola, K.O., D. Oru and O.I. Ojo, 2012. Cassava Processing Wastes Evaluation in Delta State, Nigeria. In: Building a Non-Oil Export Based Economy for Nigeria: The Potential of Value-Added Products from Agricultural Residues, Jekayinfa (Ed.)., Cuvillier Verlag, Bonn, Germany, ISBN: 978-86955-937-7.
10. Ojo, O.I., G.M. Ochieng and F.A.O. Otieno, 2012. Assessment of Water Logging and Salinity Problems in South Africa: An Overview of the Vaal-Harts Irrigation Scheme. In: Water and Society, Pepper, D.W. and C.A. Brebbia (Eds.)., WIT Press, UK., ISBN: 978-1-84564-556-4, pp: 477-486.
11. Sadiku-Agboola, O., R.E. Sadiku, O.I. Ojo, O. Akanji and O.F. Biotidara, 2011. Influence of operation parameters on metal deposition in bright nickel-plating process. Portugaliae Electrochim. Acta, 29: 91-100.
12. Oriola, K.O., D. Oru and O.I. Ojo, 2011. An evaluation of waste disposal practices in Cassava Processing sites, Nigeria. LAUTECH J. Eng. Technol., 6: 37-40.
13. Ojo, O.I., K. Ogedengbe and G.M. Ochieng, 2011. Efficacy of solar water disinfection for well waters: Case study of Ibadan slums, Nigeria. Int. J. Phys. Sci., 6: 1059-1067.
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14. Ochieng, G.M., O.I. Ojo, K. Ogedengbe and J.M. Ndambuki, 2011. Open wells, sanitary features, pollutions and water qualities: Case study of Ibadan slums, Nigeria. Int. J. Phys. Sci., 6: 3062-3073.
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15. Fayomi, O.S.I., O.I. Ojo and A.P.I. Popoola, 2011. Investigating (Ochadamu) silica sand, clay and local oils for foundry core. Int. J. Phys. Sci., 6: 1894-1904.
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16. Ojo, O.I., F.O. Otieno and G.M. Ochieng, 2010. Modeling sediment transport in vaal-harts irrigation scheme South Africa using polymaths 6.1. Int. J. Sustainable Dev., 1: 49-53.
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17. Ojo, O.I. and F.O. Otieno, 2010. Irrigation canal simulation models and its application to large scale irrigation schemes in South Africa: A review. OIDA Int. J. Sustainable Dev., 1: 55-60.
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18. Ewetola, E.A., G.O. Oyediran, F.M. Owoade and O.I. Ojo, 2010. Variations in soil physical properties along toposequence of an alfisol in southern guinea savanna of Nigeria. Int. J. Agric. Environ. Biotechnol., 3: 303-305.
19. Ojo, O.I., B.A. Adejumo, A.O. Adewoye and A.P. Adewuyi, 2008. Evaluation of an interactive computer program for the design of grassed waterways. J. Eng. Applied Sci., 3: 312-316.
20. Amuda, O.S., O.I. Ojo and T.I. Edewor, 2007. Biosorption of lead from industrial wastewater using Chrysophyllum albidum seed shell. Bioremed. J., 11: 183-194.
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21. Graham, W.R., I.W. Pishiria and O.I. Ojo, 2006. Monitoring of groundwater quality for small-scale irrigation: Case studies in the southwest Sokoto-Rima Basin, Nigeria. Agric. Eng. CIGRE J. Manuscript, 8: 39-48.