Prof. Donatus Otuiheoma Ohajianya

B.Tech., M Sc., PhD.

Prof. Donatus Otuiheoma Ohajianya

Professor

Academic and Professional Qualification

  • ♦  Central School Okrika Nweke, Ahiazu Mbaise L.G.A, Imo State1971 –June 1976
  • ♦  Boys’ Secondary School, Ekwerazu, Ahiazu Mbaise L.G.A, Imo State - Sept. 1977-1982
  • ♦  Federal University of Technology, Owerri 1982 – July 1987
  • ♦  Federal University of Technology, Owerri Oct. 1992 – Jan 1997
  • ♦  Federal University of Technology, Owerri Oct. 1997 – Aug. 2000
  • ♦  First School Leaving Certificate - 1976
  • ♦  General Certificate Of Education (GCE) O’ Level - 1981
  • ♦  WASC/GCE - June, 1982
  • ♦  Bachelor of Agricultural Technology (B.AGRIC. TECH) Degree in Agricultural Economics and Extension - July, 1987
  • ♦  Master of Science (M.SC.) Degree in Agricultural Economics (Best Graduating Student in School OF Agriculture and Agricultural Technology) -JAN, 1997
  • ♦  Doctor of Philosophy (Ph.D) Degree IN Agricultural Economics (Specialising in Farm Management, Production Economics and Quantitative Techniques). - AUG. 2000

Publications

  • ♦ Henri-Ukoha, A, Orebiyi J.S, Obasi P.C, Oguoma N.N, Ohajianya D.O, Ibekwe U.C. and Ukoha, I.I. (2011). Determinants of Loan Acquisition from the Financial Institutions by Small-Scale Farmers in Ohafia Agricultural zone of Abia State, South East Nigeria. Journal of Development and Agricultural Economics. Academic Journals, Iran 3 (2): 69 – 74.
  • ♦ Chikezie, C, Ibekwe U.C, Ohajianya D.O, Orebiyi J.S, Oguoma N.N., Obasi P.C., Henri-Ukoha A., Emenyonu C.A., and Nwaiwu, I.U, (2011). Size Distribution of Income among Rice-Based Farming Households in south Eastern States of Nigeria. International Journal of Agricultural Management and Development. Academic Journals, Iran. 1 (1): 31 – 37.
  • ♦ Ohajianya, D.O., and Ugochukwu A.I., (2011). An Ordered Probit Model Analysis of Transaction Costs and market Participation by Sweet Potato Farmers in South Eastern Nigeria. Contributed paper for the 85th Agricultural Economics Society Conference, Warwick University, UK, 18th – 20th April 2011, Warwick UK.
  • ♦ A.Heri-Ukoha; D.O Ohajianya , F.O Nwosu; S.U .O Onyeagocha; and U.E Nwankwo (2011). Effect of World Bank Assisted Fadama II project on the performance of fish farming in Imo State, Southeast Nigeria: A comparative Evaluation. American Journal of Experimental Agriculture 1(4): 450 – 457.
  • ♦ Herri-Ukoha; J.S. Orebiyi ; D.O Ohajianya; U.C. Ibekwe; s.U.O Onyeagocha; F.O Nwosu; I.U. Nwaiwu (2011). Gender and Net Farm Income of Cassava Farmers under Individual land tenure system in Abia State international Journal of Agricultural science, Research and Technology United States of America 1(2): 47-57
  • ♦ Korie O.C; C.C. Eze; J.I Lemchi; U.C Ibekwe; J.S Orebiyi; P.C. Obasi; D.O Ohajianya and e.U. Eze (2011). An overview of Benefits of Organic Agriulture as a climate change adaptation and mitigation strategy for Nigeria. International Journal of Agriculture and Rural Development 14(2): 638 – 643.
  • ♦ Ohajianya, D.O, Nwaiwu I.U, and Osuagwu C.O, (2010). Analysis of Factors Affecting Income of Women in Agricultural Production in Imo State, Nigeria. Proceedings of the National Conference on Engineering Policy for Attainment of the Millennium Development Goals in Nigeria, 29th – 31st March, 2010, Asaba Nigeria Pp. 99 – 106.
  • ♦ Nwaiwu, I.U. Odii Marshal, Ohajianya Donatus, Eze Chiedozie, Oguoma Nicholas, Ibekwe Christopher, Henri-Ukoha Adanna, Kadiri Fausat, Amaechi Cliford, Oguh Joy, (2010). Comparative Analysis of the Productivity of Sustainable Cassava Farming Under External and Internal Input use in Imo State, Nigeria. New York Science Journal, U.S.A., 3 (10): 12 – 16.
  • ♦ Nwaiwu, I.U, Ohajianya D.O, Lemchi J.I, Ibekwe U.C, Nwosu F.O, N.G. Ben-Chendo, Henri-Ukoha A, and Kadiri F.A. (2010). Economics of Organic Manure Use By Food Crops Farmers in Ecologically Vulnerable Areas of Imo State, Nigeria. Researcher, New York, U.S.A., 2 (I): 56 – 61.
  • ♦ Henri-ukoha, A, Orebiyi J.S, Ohajianya D.O, Nwosu F.O, Nwaiwu I.U, and Ben-Chendo G.N. (2010). Economics of Dry Season Vegetable Production by Women Farmers in Owerri West Local Government Area of Imo State, South East Nigeria. A Case Study of Telfairia Occidentals. International Journal of Agricultural and Rural Development 13 (2): 302 – 306.
  • ♦ Emenyonu, Christopher Akujobi, Inyang, Nyamdi N, Ohajianya, Donatus O., Henri-Ukoha, Ada, Onyemauwa, Sebastian C, Kadiri Fausat Ajoke (2010). Role of Cassava in Minimizing Household Food Security in Owerri North L.G.A. of Imo State. Academic Arena, Marshland Press, New York, U.S.A. 2 (10): 80 – 85.
  • ♦ Ibekwe, U.C, Eze C.C, Ohajianya D.O, Orebiyi J.S, Onyemauwa C.S, and O.C. Korie (2010). Determinants of Non-Farm Income Among Farm Households in South Eastern Nigeria. Researcher, Marshland Press, New York, U.S.A. 2 (7): 49 – 52.
  • ♦ Oguoma, N.N.O, Ohajianya D.O, and F.O. Nwosu (2010). Performance of Small-Scale Fish Farm Operators in Resource Use in Imo State, Nigeria. Reseacher, New York, U.S.A. 2 (3): 56 – 65
  • ♦ Eze, C.C, J.S, Orebiyi, C.O. Korie, D.O, Ohajianya, C.S, Onyemauwa, S.U.O., Onyeagocha, A.I., Ugochukwu, V.C. Eze, and Awulonu, C.A.O. (2010). Food Production, Agro-Biodiversity and Sustainable Rural Development: Nigeria in Perspective. Contributed Paper for the 84th Agricultural Economics Society, Edinburgh 2010, 29th March – 1st April, Edinburgh, U.K.
  • ♦ Ohajianya, D.O., Echetama J.A., P.O., Offodile, Osuagwu C.O., Henri-Ukoha A., Okereke-Ejiogu N., Anyaoha, N.O. (2010). Allocative Efficiency Among Maize farmers in Imo State, Nigeria. Report and Opinion, New York U.S.A, 2 (12): 139 – 147.
  • ♦ Offodile, P.O., Ohajianya D.O., Osuagwu C.O., Echetama J.A., Henri-Ukoha, A., Okereke-Ejiogu, N., Anyaoha, N.O., Ibewke U.C., (2010). Gender and Resource Productivity in Rice Production in Ebonyi State, Nigeria. Report and Opinion, New York, USA, 2 (12): 148 – 153.
  • ♦ Nwaiwu, I.U., Ohajianya D.O., Ibekwe U.C., Amaechi F.C.C., Emenyonu C.A., Onyemauwa C.S., Henri-Ukoha A., Kadiri, F.A., (2010). Academic Arena, New York, USA. 2 (11): 96 – 102.
  • ♦ Ohajianya, D.O, Ibekwe U.C, Onyeagocha S.U, Nwosu F.O, Nwaiwu I.U, Henri-Ukoha A, Ben-Chendo N.G, Anyaoha N.P, and Osugiri, I.I. (2009). Factor Shares in Irrigated Rice Production in Anambra – Imo River Basin Development authority, Nigeria. Food Production in a Developing Economy, Spain Vol. 1, No. 1, Pp. 361 – 366
  • ♦ Ohajianya, D.O, Ibekwe U.C, Enwerem V.A, Echetama J.A, Anyaoha N.P, Onuoha R.E, Nnadi F.N, and Anaeto, F.C. (2009). Economics of Dry Season Telfairia Occidentals Production in Abia State, Nigeria. Food Production in a Developing Economy, Spain Vol. 1, No. 1, Pp. 316 – 321
  • ♦ Ohajianya, D.O, N.N.O. Oguoma, C.A, Emenyonu, C.C. Eze, and O.C., Korie (2009). Resource Use Efficiency in Cocoyam Production in Udi Area of West Africa. Food Production in a Developing Economy, Spain, Vol. 1, No. 1, Pp. 372 – 376.
  • ♦ Mgbada, J.U. and D.O. Ohajianya (2009). Gender and Resource Productivity in Rice Production in Ebonyi State, Nigeria. Gender, Development and the Society, Spain. Vol. 1, No.1, Pp. 270 – 277.
  • ♦ Anyanwu, S.O. and D.O. Ohajianya (2009). Farm and Non-Farm Income in the Rural Economy of Rivers State, Nigeria: Implication for Poverty Alleviation. International Journal of Agriculture and Rural Development. Vol. 12. Pp. 32 – 46.
  • ♦ OHAJIANYA D.O. and N.N.O. OGUOMA (2009). Optimum cropping patterns under Limited Resource Conditions: A Micro-level study in Imo State, Nigeria. Pakistan Journal of Social Sciences 6(1): 36 – 41.
  • ♦ MATHEWS-NJOKU E., OHAJIANYA D.O., NWACHUKWU C., ONWEREMADU E.U. and ASIABAKA C.C. (2009). Determinants of Adoption of Cover Cropping Technology: An Application of Multivariate Logistic Analysis in Imo State, Nigeria. Proceedings of the International Conference on Global Food Crisis. Federal University of Technology Owerri, April 19 – 24. M.U. Iloeje, C.C. Asiabaka, J.C. Obiefuna, G.E. Osuji, A.B.I.Udedibie, J.S. Orebiyi, M.C. Ofoh, B.O. Esonu, G.E. Nwandikom, N.J. Okeudo and E.B. Etuk (editors). Pp. 387 – 392.
  • ♦ OHAJIANYA D.O., IBEKWE U.C., NWOSU F.O., OKOYE I.B. and OSUJI M.N. (2008). Impacts of Credit Policy on Fishery Agribusiness Sub-sector in Nigeria (1995 – 2005). Proceedings of the 42nd Annual Conference of the Agricultural Society of Nigeria held at Ebonyi State University Abakaliki, 19th – 23rd October, Pp. 839 – 842.
  • ♦ OHAJIANYA D.O., V.A. ENWEREM, J.A. ECHETAMA and F.C. ANAETO (2007). Comparative Analysis of Organic and Inorganic Fertilizer use in cassava production in Imo State. International Journal of Agriculture and Rural Development. Vol. 9, Pp. 30 – 34.
  • ♦ OGUOMA N.N.O. and D.O. OHAJIANYA (2007). Potentials in Financing Heliculture under the Agricultural Credit Guarantee Scheme in Imo and Rivers’ States of Nigeria: A Comparative Analysis. International Journal of Agriculture and Rural Development. Vol. 9, Pp. 48 – 53.
  • ♦ OHAJIANYA D.O., F.C. ANAETO, V.A. ENWEREM and J.A. ECHETAMA (2007). Exploitation of communal oil palm resource and the remedies in Imo State, Nigeria. International Journal of Agriculture and Food Systems. Vol. 1, No. 1, Pp. 23 – 29.
  • ♦ ONYENWEAKU C.E. and D.O. OHAJIANYA (2007). Technical Efficiency of Rice Farmers in South Eastern Nigeria. The Indian Journal of Economics. Vol. LXXXVIII, No. 348, pp. 51 -60.
  • ♦ NWOSU F.O., OGUOMA N.N.O., OHAJIANYA D.O. and IBEKWE U.C. (2007). Factors influencing output of fish farming in Imo State, Nigeria. International Journal of Agriculture and Rural Development (IJARD). Vol. 10, pp. 37 – 40.
  • ♦ OHAJIANYA D.O., OGUOMA N.N.O, ONUOHA R.E. and KORIE O.C. (2007) Application of Discrete Stochastic Programming to the Analysis of Crops Farmers Behaviour in Imo State. International Journal of Agriculture and Rural Development (IJARD), Vol. 10, pp. 149 – 154.
  • ♦ OHAJIANYA D.O. and P.C. OBASI (2007) Economics of Mulching in Cocoyam Production. International Journal of Tropical Agriculture and Food Systems. Vol. 1, No. 4, pp. 303 – 309.
  • ♦ ANAETO C.F., D.O. ONU, E.C. MATHEWS NJOKU, F.N. NNADI, D.O. OHAJIANYA and C.C. ASIABAKA (2007). Variables Militating Against Rural Women Farmers’ use of Extension Recommendations in Onitsha Agricultural Zone, Anambra State, Nigeria. International Journal of Tropical Agriculture and Food Systems. Vol. 1, No. 4, pp. 355 – 363.
  • ♦ OHAJIANYA D.O (2006) Resource use efficiency of landowners and tenants in food crop production in Imo State, Nigeria. Journal of Sustainable Tropical Agricultural Research, Vol. 17, pp. 26 – 30.
  • ♦ OGUOMA, N.N.O and OHAJIANYA D.O (2006) Performance and risk levels in financing cooperative societies as self help groups under the Agricultural Credit Guarantee scheme in Imo State, Nigeria. Journal of Sustainable Tropical Agricultural Research, Vol. 17, Pp. 38-45.
  • ♦ OHAJIANYA D.O. and MGBADA J.U. (2006). Intensity of Agricultural labour use by gender in rural households of Imo State. Journal of Agriculture, Forestry and the Social Sciences. Vol. 4, No. 1, Pp. 50 – 59.
  • ♦ OHAJIANYA D.O and E.C. MATHEWS – NJOKU (2006) Profit efficiency of Farmers’ Sustained used of improved cassava varieties in Imo State Global Approaches to Extension Practice (GAEP), Vol, 2, No. 1, Pp. 60-66.
  • ♦ OHAJIANYA D.O; OGUOMA N.N.O. and S.U ONYEAGOCHA (2006) Profit inefficiency and its determinants among yam produces in Imo State, Nigeria. International Journal of Agriculture and Rural Development, Vol. 7, no 2, Pp. 67-73.
  • ♦ MGBADA J.U and OHAJIANYA D.O (2006) Gender participation in cassava processing and degree of commercialization of cassava products in Imo State. International Journal of Natural and Applied sciences, Vol. 2, No. 4 , Pp. 356 – 361.
  • ♦ MGBADA J.U and D.O OHAJIANYA (2006) Determinants of Organic Fertilizer use among small holder cassava farmers in Owerri Agricultural Zone of Imo State, Nigeria. Global Approaches to Extension Practice (GAEP), Vol. 2, No 2, Pp. 67-73
  • ♦ ONYEAGUOCHA, S.U.O; OBI, U; EMENYONU, C.A; OHAJIANYA D.O; OGUOMA N.N.O and ODII, M.A.C.A (2006). Resource use Efficiency in Rabbit Production in Imo State, Nigeria. Journal of Research in Agriculture, Vol. 3, No. 3, Pp. 66-70.
  • ♦ OHAJIANYA D.O; OGUOMA N.N.O and S.U. ONYEAGOCHA (2006) Stochastic Traslog Profit frontier Approach to measurement of profit inefficiency in yam production in Imo State, Nigeria. Journal of Agriculture and Social research (JASR) vol. 6, No. 1, Pp. 15-21.
  • ♦ OHAJIANYA D.O and J.U MGBADA (2006) Raphia Palm Resource and Threats to sustainable Cultivation in Mbaise area of Imo State, Nigeria. Journal of Agriculture and Social research (JASR) Vol. 6 No. 1, Pp. 56-60.
  • ♦ EZE C.C, OHAJIANYA D.O and N.N.O OGUOMA (2006). Analysis of Land Snail Marketing in Owerri Agricultural Zone of Imo State, Nigeria. Animal Production research Advances, Vol. 2. No. 1 Pp. 94 – 99.
  • ♦ KORIE O.C, OHAJIANYA D.O and N.C. EHIRIM (2006). Value Chain Analysis on cassava and cassava based-products in Imo State, Nigeria. International Journal of natural and Applied Sciences, Vol. 2, No 4, Pp. 400 – 404.
  • ♦ OHAJIANYA D.O, S. U ONYEAGOCHA and C.U. IBEKWE (2006) Assessment of the fish demand patterns of households in Imo State, Nigeria. Animal Production Research Advances 2(1): 23 – 27.
  • ♦ OHAJIANYA D.O. and C.C EZE (2006) Labour Productivity in rural farm households of Imo state. African Journal of Science Vol. 7, No. 1, Pp. 1981-1991.
  • ♦ OHAJIANYA D.O. (2006) Determinants of Agricultural labour mobility in Imo State, Nigeria. Journal of Applied Science (JAS) (Vol. 9, No.3, Pp 6611-6621.
  • ♦ ONYENWEAKU C.E. and D.O OHAJIANYA (2005). Technical Efficiency of Rice Farmers in Ebonyi State, Nigeria. Journal of Agriculture and Food Sciences, Vol. 3, N0. 2, Pp. 175 – 184.
  • ♦ OBASI P.C, IGWE S.I. and OHAJIANYA D.O. (2005) Impacts of micro-economic and Government Policies on Nigerian’s Agricultural Sector Journal of Agriculture, Forestry and the Social Sciences (JOAFSS), vol. 3, No. 1, pp. 97-103.
  • ♦ OHAJIANYA D.O.(2005) A stochastic Frontier Approach to Technical Efficiency in Apiculture in Imo State. Journal of Applied Sciences, 8(1): 4627-4635.
  • ♦ OHAJIANYA D.O. (2005) Technical Efficiency Among small Holder Cassava farmers in Imo State “Stochastic frontier Approach”. International Journal of Social Sciences, Vol. 4, No. 1, Pp. 106 – 115
  • ♦ ONYENWEAKU C. E and D.O. OHAJIANYA (2005) Technical efficiency of swamp and upland rice farmers in South Eastern Nigeria: Journal of sustainable tropical Agricultural research 14:64-70.
  • ♦ ONU D.O. and D.O OHAJIANYA (2005) Variety characteristics and cassava adoption among rural households in Imo state. Journal of agriculture and social research (JASR) vol 5, No 1 Pp 33 – 40.
  • ♦ OHAJIANYA D.O. and R.E. ONUOHA (2005). Estimating cost inefficiency of food crops farmers in Imo State, Nigeria. Journal of Agriculture, Forestry and the Social Sciences. Vol. 3, No. 2, Pp. 24 - 31
  • ♦ OHAJIANYA D.O. (2005) Econometric analysis of aggregate demand for meat in Imo State, Nigeria. Journal of agriculture and social research (JASR) vol 5, N0 1. Pp 62 – 66.
  • ♦ OHAJIANYA D.O. and D.O ONU (2005) Adoption of improved maize varieties in Imo state as a two stage decision process. Global approaches to extension practice (GAEP), vol 1, No 1, Pp. 91-96
  • ♦ OHAJIANYA D.O (2005) Economic efficiency among small scale poultry farmers in Imo State, Nigeria. “A stochastic frontier production model approach.” International Journal of Agriculture and Rural Development (IJARD) vol 6, Pp. 19-25.
  • ♦ OHAJIANYA D.O (2005) Rural-urban migration and effects on agricultural labour supply in Imo State, Nigeria. International Journal of Agriculture and Rural Development (IJARD) vol. 6, Pp 111 – 118.
  • ♦ OHAJIANYA D.O. and P.C OBASI ( 2005) Resource use efficiency in small holder poultry production in Imo State, Nigeria International Journal of social sciences Vol. 4, No. 1 PP. 194 – 2003
  • ♦ OHAJIANYA D.O (2005) Profit efficiency among cocoyam producers in Imo State “Stochastic Translog profit frontier approach”. Proceedings of the 39th conference of the agricultural society of Nigeria, Benin Pp. 332-335.
  • ♦ ANAETO C.F., EMENYONU C.A, OBIH U, OHAJIANYA D.O and ONU P.N (2005) Evaluation of household perception and consumption of pork meat in old Nnewi local government area of Anambra state. Implication for extension education. Proceedings of the 39th conference of the agricultural society of Nigeria. Benin. Pp 296-299.
  • ♦ OHAJIANYA D.O. (2004) Economics of Alternative palm Oil Processing Technologies in Imo State, Nigeria. Journal of Technology and Education in Nigeria Vol 9, N0 2, pp. 56 – 64.
  • ♦ OHAJIANYA D.O (2004). Socio-Economic Determinants of multiple uses of water for irrigation in Kaduna State, Nigeria. Journal of Association for the Advancement of Modeling & Simulation Techniques in Enterprises, France. Vol 25, No. 1, Pp. 67 – 77.
  • ♦ OHAJIANYA D.O (2004). Part-Time Commercial Poultry Farming in Nigeria. A case study of Imo State Journal of Association for the Advancement of Modeling & Simulation Techniques in Enterprises, France. Vol 25, No. 1, Pp. 1-11
  • ♦ OHAJIANYA D.O. and C.E. ONYENWEAKU (2004) Factor Demand and output supply elasticity in rice production in Nigeria. Profit function results. Accepted for publication in Journal of Association for the Advancement of Modeling and Simulation Techniques in Enterprises France.
  • ♦ OHAJIANYA D.O, ONU D.O and ENWEREM, V.A. (2004). Small Farm Household risk Management strategies in Ecologically vulnerable areas of Imo State Journal of Sustainable Tropical Agricultural Research, vol. 10, Pp.. 51 – 55
  • ♦ OHAJIANYA D.O and D.O. ONU (2004) Gender and Household food security in Imo State, Nigeria. Journal of technology and Education in Nigeria vol. 9, N0 1, Pp. 11-18.
  • ♦ OHAJIANYA D.O. and D.O. ONU (2004) Economics of fertilizer use in vegetable production in Nigeria. Journal of tropical agriculture, Trinidad vol 81 N0 3, Pp. 1-6.
  • ♦ OHAJIANYA D.O and ONYENWEAKU C.E (2003) Analysis of Costs and Returns in Rice farming by Farm size in Ebonyi State. Nigeria. Journal of Agriculture and social Research. Vol. 3, No. 1 Pp. 29-39.
  • ♦ OHAJIANYA D.O and ONYENWEAKU C.E (2003) Demand for Community Bank Credit By Small Holder Farmers in Imo State. Journal of sustainable Tropical Agricultural Research. Vol. 7, pp. 26-32.
  • ♦ OHAJIANYA D.O, ONU D.O and ECHETAMA J.A. (2003) Evaluation of the Effectiveness of the Imo State Fisheries extension Programme. Journal of Agriculture and social research, vol. 3, no. 2, pp. 108-125.
  • ♦ OHAJIANYA D.O and ONYENWEAKU C.E (2002) Farm size and Relative Efficiency in Nigeria: Profit Function Analysis of Rice Farmers. Journal of Association for Advancement of modeling and simulation Techniques in Enterprises, France Vol. 23, no. 1, PP.1- 16
  • ♦ OHAJIANYA D.O and ONYENWEAKU C.E (2002) Costs and returns analysis in rice production by Gender in Ebonyi. State, Nigeria. Proceedings of the 36th Annual confere4nce of the Agric Society of Nigeria F.U.T. Owerri, Oct. 20 – 24, Pp. 335 – 338.
  • ♦ OHAJIANYA D.O and ONYENWEAKU C.E (2001) Gender and Relative Efficiency in rice production systems in Ebonyi State, Nigeria “ A profit function Analysis”. Journal of sustainable Agriculture and Environment, Umudike Umuahia. Vol. 3, no. 2, pp 384- 392.
  • ♦ NJOKU J.E and OHAJIANYA D.O (1989). Palm oil and development of rural Communities in Imo state. A marketing system analysis. Ed. In M.U Igbozuruike, E.E. Okpara and U.A Amuzie. Roles and Paradigms in the rural Development of Nigeria Kato Press, Owerri. Pp. 388 – 397.

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