A. Articles in Learned Journals

1. Jelili. Olaide SAKA, Victor Olusegun OKORUWA, Omobowale A. Oni and Abayomi Samuel Oyekale (2011): The Structure and Determinants of Land-use Intensity among Food Crop Farmers in Southwestern Nigeria. Journal of Agricultural Science Vol. 3,

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2. Balogun O. L., S. A. Yusuf, B. T. Omonona and V. O. Okoruwa (2011): Social capital and microcredit effects on poverty among the rural households in south west states, Nigeria. ARPN Journal of Agricultural and Biological Science Vol.6 No.3.


3. Ayantoye, K, Yusuf, S.A., Okoruwa, V.O. and Omonona, B.T. (2010): Determinants of Food Insecurity Status among Rural Households in South-Western Nigeria. Vol. 6 (1&2), pp 10 – 23.




4. Cecilia NWIGWE, Victor Okoruwa, Blaise NKAMLEU, Olawale ONI, Abayomi OYEKALE (2009): Socioeconomic Factors Affecting Intensity of Market Participation among Smallholder Yam-Based System Farmers in Oyo North Area of Nigeria. International Journal of Economic Perspectives, Vol. 3 (2), pp 131-140.


5. Okoruwa V.O., A.O. Akindeinde and K.K. Salimonu (2009): Relative Economic Efficiency of Farms In Rice Production: A Profit Function Approach in North Central Nigeria. Tropical and Subtropical Agroecosystems, Vol. 10 (2), pp 279-286


6. Abiodun Elijah Obayelu, V.O. Okoruwa and O.I.Y. Ajani (2009): Cross-sectional analysis of food demand in the North Central Nigeria: The quadratic almost ideal demand system (QUAIDS) approach. China Agricultural Economics Review. Vol. 1(2), pp 173-193.


7. Sowunmi, F.A., S.O. Aroyeun, V.O. Okoruwa, and M.O. Biobaku (2009): Tea Consumption in Ogun State, Nigeria: Prevalence and Characteristics of Consumers. Current Research Journal of Social Science. Vol. 1 (1), pp 24-30.


8. Obayelu, A. E., Okoruwa, V. O. and Oni, O. A. (2009): Analysis of rural and urban households’ food consumption differential in the North-Central, Nigeria: A micro-econometric approach. Journal of Development and Agricultural Economics. Vol. 1(2), pp.18-26.


9. Y.A. Awoyinka, J.A. Akinwumi, V.O. Okoruwa and O.A. Oni (2009): Effect of livelihood strategies and sustainable land management practices on food crop production efficiency in South-West Nigeria. Agricultural Journal. Vol. 4 (3), pp. 135-143.


10. Moyib, F.R., J.A. Akinwumi and V.O. Okoruwa (2009): Resource use efficiency among female cassava farmers in ecological zones of Ogun State, Nigeria. Green Farming Vol. 2(11), Pp


11. Salimonu, K. K., A. O. Falusi, V. O. Okoruwa and S. A. Yusuf (2008): Modelling efficient Resource Allocation Patterns for Food Crop Farmers in Nigeria: An Application of T- MOTAD Analysis. International Journal of Agricultural Economics and Rural Development. Vol. 1(1). Pp. 68 – 77.


12. L.O. Olarinde, V.M. Manyong and V.O. Okoruwa (2008): Analysing optimum and alternative farm plans for risk averse grain crop farmers in kaduna state, northern, nigeria. World Journal of Agricultural Science, Vol. 4(1) pp 28-35.


13. A.O. Adejobi, V.O. Okoruwa, J.K. Olayemi, T. Alimi and P.M. Kormawa (2008), Rural poverty and farming households’ livelihood strategies in the drier savanna zone of Nigeria. European Journal of Social Sciences, Vol. 5(4) pp100-111.


14. Okoruwa V. O, Onwurah B. C and Saka J. O. (2008): Food demand among HIV households in North Central, Nigeria. European Journal of Social Sciences,Vol. 5(4) pp 92-99.


15. Obayelu, A.E, Okoruwa, V.O., and Adeniyi, A. (2007): Socio-economic characteristics of cattle farmers and their perceptions of climatic effects on cattle production in Kwara State Nigeria. Animal Production Research Advances (APRA), Vol. 3 (2). Pp. 108-114.


16. Okoruwa V.O., O. Ogundele and B.O. Oyewusi (2007): Productivity efficiency of Nigeria farmers: A case of rice farmers in North Central Nigeria.China Agricultural Economic Review. Vol. 5 (4). Pp498-511.


17. Adebayo, E.F. and V.O. Okoruwa (2007): Household expenditure on dairy products in Adamawa State, Nigeria. Global Journal of Agricultural Sciences. Vol. 6. N0. 2. pp. 135-138.

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8. Okoruwa, V.O., A.E. Obayelu, and O. Ikoyo-Eweto (2006): Profitability of semi-intensive and intensive egg production in South-West and South-South zones of Nigeria. Nigerian Journal of Animal Production (NJAP). Vol 33 (1) pp 118-127.


19. Okoruwa V.O. (2006): Relative efficiency of improved egg production systems in Southwest Nigeria: A profit function approach. European Journal of Social Science. Vol (2) No. 2. pp 319-329.


20. Okoruwa V.O. and E.F. Adebayo (2006): Household food demand analysis in Adamawa State, Nigeria. Global Journal of Agricultural Sciences. Vol. 5. N0. 2. pp. 109-115.


21. Ogundale, O.O. and V.O. Okoruwa (2006): Structure of farm cost in upland rice production: A comparative analysis of small and large farms in some selected local government areas of Kaduna State Nigeria. The Ogun Journal of Agricultural Science. Vol 4. pp. 22-31.


22. Okoruwa, V.O., A.O. Adejobi and F. Idumah (2006): Resource allocation behavior among crop farmers in Ogigambari forest reserve of Oyo State: An application of linear programming (LP) model. Journal of Rural Economics and Development. Vol. 15 (2). Pp. 127-137.


23. Okoruwa, V.O. and B. Bashaasha (2006): Technical efficiency of upland and lowland rice production systems in Niger State, Nigeria. Moor Journal of Agricultural Research. Vol 7 (2). Pp 93-99.


24. Okoruwa, V.O., and T.O., Williams (2005): Price behaviour and dynamics of small ruminant markets in Nigeria. The Nigerian Journal of Economic and Social Studies. Vol. 47 (2). Pp 189-206.


25. Okoruwa, V.O., F.O. Obadaki and G. Ibrahim (2005): Profitability of beef cattle fattening in the cosmopolitan city of Ibadan, Oyo State Nigeria. Moor Journal of Agricultural Research. Vol 6. No. 1. pp. 45 -51.


26. Okoruwa, V.O., L.O. Lamidi (2005): Pricing conduct of spatially differentiated markets in Nigeria. Chinese Agricultural Economic Review (CAER).Vol. 3 (2).


27. Saka, J.O., V.O., Okoruwa, B.O., Lawal and S. Ajijola (2005): Adoption of improved rice varieties among small-holder farmers in Southwestern Nigeria.Wold Journal of Agricultural Science. Vol.1 (1) pp 42-49.


28. Orebiyi J.S., U.P. Onyeka and V.O. Okoruwa (2004) Testing for autocorrelation in the prices of some selected staple food crops in Borno State, Nigeria. AMSE Periodicals Vol. 25 N0.2, pp 19 -28.


29. Kormawa, P.M., V.O., Okoruwa, A.O., Adejobi and A.O., Ayanwale (2004): Profitability and determination of fertilizer usage by crop farmers in drier savannah zone of Nigeria. Nigerian Journal of Science, Vol. 38. pp 145-153.


30. Ogundele, O.O., V.O. Okoruwa, and A.D., Dada (2004) Impact of Non-Governmental Organization Based Micro-Credit Scheme on Household Welfare in Oyo State. The Ogun Journal of Agricultural Science. Vol 3. pp 108-120.


31. Femi, O. Ogundele, and Victor, O. Okoruwa (2004), A Comparative Analysis of Technical Efficiency between Traditional and Improved Rice Variety Farmers in Nigeria. African Journal of Economic Policy. Vol. 11, No. 1. pp 91-108.


32. Ogundele, O.O., and V.O., Okoruwa (2003), Productivity Differential in Rice Production in Kaduna State Nigeria. International Journal of Economic and Development Issues. Vol. 3 No. 1. pp. 68-80.


33. Okoruwa, V.O., G.O. Ogundare and S.A. Yusuf (2003). Determinants of Traditional Agricultural Exports in Nigeria: An application of Cointegration and Correction Model. Quarterly Journal of International Agriculture Vol. 42 (4) pp 423-434.

34. Ogundele, O.O and V.O. Okoruwa (2003). The Economic Analysis if Beef Marketing in Akure, Ondo State. African Journal of Livestock Extension. Vol. 2 pp 61-66.


35 Iyayi, E.A., V.O., Okoruwa, O.J., Babayemi, A.A., Busari and O.F., Peters (2003). Livestock Production Pattern of Agropastoralists in Peri-Urban Centers of South-west Nigeria. Nig. Jn. Of Anim. Prod. Vol. 30 (1) pp 87 – 92.


36. Okoruwa, V.O., N.I. Odiaka and S.A. Adewuyi (2002). Marketing of Grocery in South West Nigeria: A Comparative Analysis between Ibadan and Lagos Metropolis. Moor Journal of Agricultural Research. Vol. 3, No. 2. pp 223-228


37. Okoruwa V.O. (2002). Optimum Farm Plan for Agropastoralists in the Derived Savannah of Oyo State: Application of Dynamic Programming Model.Tropical Animal Science Investment. Vol. 5 pp 149 – 159.


38. Ogundele, O.O. and V.O Okoruwa (2001). Determinants of Rice Importation in Nigeria: An Agricultural Economics View Point. African Journal of Business and Economic Research. Vol. 2, No. 1&2. pp 259-263.


39. Okoruwa V.O. and O.A. Oni (2001). Credit Access and its Impact on Revenue of Cocoa Farmers in Nigeria. Nigerian Agricultural Development StudiesVol. 2. (1) pp 111 – 117.


40. Okoruwa V.O., S.O. Akinleye and T.O. Mafimisebi (2001). Relative efficiency of Fadama Farmers in Southwest Nigeria: An Application of Profit Function Techniques. Journal of Agricultural Extension, Vol. 5. pp. 45-53.


41. Oladunjoye, B.G., A.A Busari, A.W. Adekoya, V.O. Okoruwa, and J.A. Olanite (2001). A survey of dairy production practices in the derived savannah of Oyo State, South – Western Nigeria. Nigeria Journal of Animal Production (NJAP). 28(2):182-186.


42. Okoruwa V.O., G. Akinbola and G. Salako (2001). Potentials of Land use Pattern and Soil Characteristics for Agricultural Development in Ibadan Metropolis. Journal of Tropical Forest Resources. Vol 16 (1) pp 41-50.


43. Ezenwa I, V.O. Okoruwa, and B.I. Awoyiga (2000). The Structure of Forage Grass Marketing in an Urban Market in South West Nigeria. Tropical Animal Science Investment. Vol. 3, Pp 89-98.


44. Oladele, O.I., V.O. Okoruwa, M.K. Yahaya, and R.O. Adegboye (2000). Socio-economic characteristics of enclave dwellers and their implications for biodiversity conservation in Ogun State, Nigeria. Ghana Journal of Forestry. Vol. 9. Pp. 35-38.


45. Okoruwa V.O., L.A. Ahmad and R.A. Sanusi (2000). Role of Women in Livestock Production: A Socio-economic Analysis of Women Animal Husbandry in Sokoto State. Trop. Jn. Anim. Sci. Vol. 3(2), Pp117-124.


46. Okoruwa, V.O. A.O. Olakanmi (1999). Consumption Pattern of Sheep and Goat Meat in Ibadan Metropolis: Implication for Food and Nutrition Policies.Trop. Jn. Anim. Scin.Vol. 2, No 1, Pp175-184.


47. Okoruwa, V.O. S.C. Ibaziako, and B.O. Omitoyin. (1999), Fish Consumption in South West Nigeria : Implication for food and Nutrition Policies. Jn. of West African Fisheries. Vol. 7, Pp312-320.


48. Iyayi E.A., L. Uko, V.O. Okoruwa and M.T. Raji (1999). Livestock Feed Optimization Model (LFOM): A New Tool and Based on Linear Programming for Formulating Least Cost Rations for Poultry. Trop. Jn. Anim. Sci. Vol. 2(1), Pp137-147.

49. Okoruwa, V.O., S., Elijah, A.A., Busari, and E.A., Iyayi (1999). Production Dynamics and Potential Growth of Livestock in the Derived Savannah of Oyo State, Trop.Jn. Of Anim. Sci. Vol. 1, No 2. Pp 187-195.

50. Okoruwa, V.O. and F.F.Ogunwusi (1998). Crop-livestock Production Systems of Fulanis Settled Around Oyo and Ogbomosho Townships: A Comparative Analysis. Jn. Of Rural Economics and Development. Vol. 13, No 1, Pp11-26.



51. Okoruwa, V.O., M.A. Jabbar and J.A. Akinwumi (1996). Crop-livestock competition in the West African Derived Savannah: Application of a Multiobjective Programming Model. Agricultural Systems Vol.52 No.4, Pp.439-452.


52. Okoruwa, V.O. (1994). Economics of Alternative Cattle Production Systems in South-West Nigeria. ILCA News Letter Vol.13, No 1.



B. Books and Chapters in Books

53. Bamgboye, E.A. and V.O. Okoruwa (2009): Designs of Experiments and Surveys. A chapter in Data Collection, Management and Analysis in Academic Research (edts. Labode Popoola, Olajide Olorunnisola and Olusegun Ademowo). The postgraduate School, University of Ibadan, Nigeria. Pp. 35-54.


54. Oluleye, A.E., V.O. Okoruwa and J.O. Olaomi (2009): Dada Collection and Analysis. A chapter in Data Collection, Management and Analysis in Academic Research (edts. Labode Popoola, Olajide Olorunnisola and Olusegun Ademowo). The postgraduate School, University of Ibadan, Nigeria. Pp. 82-116.


55. Okoruwa, V.O. and E.A. Obayelu (2007): Need for new farming techniques to Improve rural farming and entrepreneurship with emphasis on cassava production. A chapter in Entrepreneurial Development as a Panacea for Poverty Alleviation in Akwa Ibom State. (edts. D.B. Ekpenyong, C.E.

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56. Obayelu E.A., and V.O. Okoruwa (2007): Analysis of Child Labour and School Attendance in Nigeria: The Present and Future Implication. A chapter in Child labour Global Perspectives (edt.. M. Rajasekhar). Amicus Books-The Icfai University Press, Hyderabad, India. Pp. 154-173.


57. Manyong, V.M., A., Ikpi, J.K., Olayemi, S.A., Yusuf, B.T., Omonona, V. O., Okoruwa and F.S., Idachaba (2005): Agriculture in Nigeria: Identifying opportunities for increased commercialization and investment. International Institute of Tropical Agriculture (IITA), Ibadan, Nigeria. 190pp.


58. Okunmadewa, F., V.O. Okoruwa, and R.A. Adegboye (2004). Agricultural Development Process and Land use, Tenure and Conservation in Nigeria. A chapter in Agricultural, Renewable Natural Resources, Animal Husbandry and Health. (edt. A.I., Ologhobo), Pp 1-21.


59. Okoruwa, V.O. (2002), Mathematics in Agriculture. External Studies Programme Series. Centre of External Studies, University of Ibadan.


60. Okoruwa, V.O. and O.A. Oni (2002). Agricultural Inputs and Farmers’ Welfare in Nigeria. A Chapter in Poverty Reduction and the Nigeria Agricultural Sector (edt. Okunmadewa, F.). Elshaddai Global Press, Ibadan, Nigeria. Pp 7-16.


61. Falusi A.O. and V.O. Okoruwa (2000). Agriculture and a Self Reliant Economy : The Case of Nigeria. A Chapter in Management Challenges in the 21stCentury (edt. Maiyaki J.Y). Centre for Management Development, Lagos , Nigeria. Pp 165-182.


62. Yusuf S.A., O. A.Oni, V.O. Okoruwa, and O.K. Odedina (1999). An Assessment of the Poverty Situation of Ijebu-Mushin Community of Ogun State, Nigeria.: A Chapter in Poverty Allevation and Food Security in Nigeria. (etds. Fabiyi Y.I and E.O. Idowu) Nigerian Association of Agricultural Economics (NAAE). Pp 45-51.


63. Adegboye, R.O., V.O. Okoruwa, K.M. Yahaya, and O.Oladele (1996). Socio-Economic Assessment and Monitoring. A Chapter in Biosphere reserve for Biodiversity Conservation and Sustainable Development in Anglophone Africa. Adams, B.A. and L.O. Ojo, (edts.), Nigeria National Committee for Man and the Biosphere (NMB). Pp.134-141.


64. Okoruwa, V.O. and W.O. Ajayi (1995). Managing Uncertainties and Risks in Cocoa Production and Marketing in Nigeria:A Chapter in Cocoa Revolution in Nigeria. Adegeye and Ajayi (editors), Hiswill InfoResources Management LMT. Nigeria. Pp. 63-79.


65. Yusuf, S.A. and Okoruwa, V.O. (1995). Transforming Wastes into Money: The Case of Black Soap making using Cocoa Pod Husks. A Chapter in Cocoa Revolution in Nigeria. Adegeye A.J. and W.O. Ajayi (editors). Hiswill Info- Resources Management LMT. Nigeria. Pp. 101-112.

C. Articles in Referred Conference Proceedings

66. Dontsop Nguezet, P.M., Diagne, A, OkoruwaV.O. and Ojehomon, V (2011): Impact of Improved Rice Technology Adoption on Income and Poverty among In proceedings of the


67. V.O. Okoruwa (2010): Climate change and food production in Sub-Saharan Africa. In proceedings of the 14th Annual Symposium of the International Association of Research Scholars and Fellows, IITA, Ibadan. “5th February.


68. Agbola P.O., Awotide D.O., IKPI A.E., Kormawa P., Okoruwa V.O. and Babalola D.A. (2008): Effect of income diversification strategies on food insecurity status of farming households in Africa: result of analysis from Nigeria. In Proceedings of the 12th EAAE Congress held in Gent (Belgium), 26-29 August (


69. Obayelu, A.E. and V.O. Okoruwa (2006): Analysis of child labour and school attendance in Nigeria: The present and future implications. In Proceeding of XX Annual Conference of European Society of of Population Economics Verona. June 22nd -24th. (http//


70. V.O. Okoruwa, O. O. Ogundele and B. O. Oyewusi (2006): Efficiency and productivity of farmers in Nigeria: A study of rice farmers in North Central Nigeria. In Proceeding of the 26th Conference of the International Association of Agricultural Economists 12-18 August . Gold Coast, Australia.


71. Okoruwa, V.O., D.K. Enahoro and J.A. Omueti (2005): Getting value form waste: An economic assessment of the organo-mineral plant in the University of Ibadan. In Proceeding of 1st National conference on organic agriculture in Nigeria. October 5th-28th. (edts Olasntan, F.O, Aiyelaagbe, I.O.O, Olowe, V.I.O, and Phillip, B.B.). Pp. 197-201.


72. Kormawa, P., M., Tshiunza, A., Dixon, E., Udoh and V. Okoruwa (2003): Varietal characteristics of cassava: farmers’ perceptions and preferences in the semi arid zone of West Africa. In Proceeding of 8th Triennial symposium of the international society for tropical root crops –African Branch (ISTRC-AB). November 12th-16th. (edts M.O. Akoroda). Pp. 61-68.


73. Okoruwa, V.O. and O.A., Oni (2001): Access to credit and it’s impact on revenue of Cocoa farmers in Nigeria In Proceeding of the Conference on THE FUTURE OF PERENNIAL CROPS: Investment and Sustainability in the Humid Tropics, held in Yamoussoukro Cote d’Ivoire, 5-9 November (In Proceeding of the 12th EAAE Congress held in Gent (Belgium), 26-29 August).


74. Okoruwa, V.O. E.N. Chebe and P.S. Amaza (1999). Demand Function Analysis for Ruminant Meat Production in Nigeria. In Proceeding of 4th Annual Conference of Animal Science Association of Nigeria (ASAN). September 14th-16th. (edts Ologhobo, Iyayi, Adesehinwa and Bamgbose). Pp. 260-262.


75. Okoruwa, V.O., F.M., Akinyemi and M.A., Adefuke (1998). Resource Productivity of Pigs in Lagos State. In Proceeding of the 3rd Annual Conference Of Animal Science Association Of Nigeria (ASAN). September, 22nd-24th. (edts Olghobo, Iyayi, Adesehinwa and Bamgbose). Pp. 119-252


D. Technical Reports

76. Okoruwa, V.O., Rahji, M. A. Y and Ajani, O. (2007). Rice and Maize Stratification Project in Nigeria. IITA-WA SAKSS and WARDA in conjunction with USAID. 185 pp.


77. Okoruwa, V.O. (2007). Competitiveness of Nigeria’s Rice and its Contribution to Poverty Reduction. WARDA, Cotonu Benin Republic. 35 pp.


78. Ogundele, O.O. and V.O. Okoruwa (2006): Technical efficiency differentials in rice production technologies in Nigeria. AERC Research Paper 154. African Economic Consortium, Nairobi, Kenya.


79. Okoruwa, V.O., and F., Agulanna (2004), Sickness and Labour Productivity among Farmers in Oyo and Ogun States of Southwest Nigeria. African Rural Policy Analysis Network, Winrock International. Series 36; 19 pp.


80. Okoruwa, V.O. (2002), Income of Females and Rural Household Expenditure in Southwest Nigeria. African Rural Policy Analysis Network, Winrock International. Series 29; 19 pp.


81 OkoruwaV.O and A. Bedford (2001). Agricultural Marketing Survey in Nigeria. DFID’s Rural Livelihoods Programme, Abuja. 128 pp.


82. Agyemang, K, Z. Hailu and V.O. Okoruwa (1996). Dairy Products Consumption and its Determinants in the Northern Guinea Savannah of Nigeria. Market Oriented Smallholder Diary Research. ILRI Ibadan. Monograph 2.


83. Hailu, Z., V.O. Okoruwa and K. Agyemang (1996). The Role of Dairy Marketing Systems in Dairy Development: Identification of Channels, Efficiencies, Constraints and Opportunities in the Northern Guinea Savanna of Nigeria. Market Oriented Smallholder Dairy Research. ILRI Ibadan. Monograph 3.