A. PERSONAL DATA
1. Full Name: Professor Christian, Ejike Onyenweaku (F.I.I.A, Fnaae)
2. Date and Place of Birth: Umuahia, Abia State, Nigeria
3. Nationality: Nigerian
4. Permanent Home Address: Umuaroko -Azueke Autonomous Community, Ndume-Ibeku, Umuahia North Local
Government Area, Umuahia, Abia State, Nigeria.
5. Current Postal Address: Department of Agricultural Economics, Michael Okpara University of Agriculture,
P.M.B 7267, Umudike, Umuahia, Abia State, Nigeria. E-Mail: onyenweaku.christian@mouau.edu.ng
6. Residential Address: Professor Onyenweaku’s Compound, Umuaroko- Azueke, Ndume Ibeku, Umuahia,
Abia State.
7. Marital Status: Married
8. Date of First Appointment: 4/2/81 (University of Ibadan)
9. Status at First Appointment: Lecturer II
10. Present Position: Professor of Agricultural Economics
11. Date of Present Promotion: 14/8/92 (Federal University of Technology, Owerri, Nigeria
12. Date of Confirmation of
Appointment: 3/2/84 (University of Ibadan).
B. EDUCATIONAL BACKGROUND
(i) Educational Institutions Attended with Dates
(a) Primary School
1. St. Anna’s Catholic School, Ahiaeke-Ndume Ibeku, Umuahia, Abia State, Nigeria 1955-1956.
2. Holy Trinity School, Kano, Kano State Nigeria, 1957-1961.
3. St. Mary’s Catholic School, Isieke-Ibeku Umuahia Abia State, Nigeria, 1962.
(b) Secondary School
4. College of Immaculate Conception, Enugu, Enugu State, Nigeria., 1963-1970.
(c) Higher School
5. Government College, Umuahia, Abia State, Nigeria, 1971-1972.
(d). University
6. University of Ibadan, Nigeria, 1973-1976.
7. University of Ibadan, Nigeria, 1977-1980.
8. University of Manitoba, Winnipeg, Canada, 1978.
9. Federal University of Technology, Owerri, Imo State Nigeria, 1986.
(ii) Academic Qualifications
1. Ph.D Agricultural Economics, University of Ibadan, Nigeria, with specialization in Farm Management, Production Economics and Quantitative Methods, 1980.
2. M.Sc Agricultural Economics (Farm Management and Production Economics) University
of Ibadan, Nigeria, 1978.
3. B.Sc ,Agricultural Economics with First Class Honours, University of Ibadan, Nigeria,1976.
4 .H.S.C. Government College, Umuahia Abia State, Nigeria, 1972.
5. W.A.S.C, Division One, College of the Immaculate Conception Enugu, Enugu State,
Nigeria, 1971.
6. First School Leaving Certificate with Distinction, Saint Mary’s Catholic School Isieke-
Ibeku, Umuahia, Abia State, 1962.
7. Certificate of Participation, Computer Programming and Applications 1, Federal University
of Technology, Owerri, Imo State, Nigeria, 1986.
8. Certificate of Attendance, Executive Health and Stress Management Course for Principal Officers, Federal University of Technology, Owerri, Imo State, Lumen Consult Ltd,
Oguta Motel, Imo State, Nigeria, 15-17 August, 1997.
9.Certificate of Attendance of the Training of Trainers Workshop on Planning and Writing Grant-Oriented Research Proposals. Postgraduate School, University of Ibadan, Nigeria. 25th – 27th June, 2007.
(iii) Awards and Distinctions.
(a) Scholarships
1. Eastern Nigeria Government Secondary Scholarship, College of the Immaculate Conception Enugu, Enugu State Nigeria. Nigeria,1963-1970.
2. East Central State Government Scholarship, University of Ibadan, 1973-1974.
3. Federal Government Scholarship, University of Ibadan, Nigeria, 1974-1976.
4. Sigma Postgraduate Scholarship, Sigma Club, University of Ibadan, Nigeria, 1977-1980
5. Commonwealth Scholarship, University of Manitoba, Winnipeg, Canada, 1978.
6. Rockefeller Foundation Research Fellowship, Department of Agric. Economics,
University of Ibadan, Nigeria, 1979-1980.
7. Ford Foundation Research Fellowship, Department of Agric. Econs, University of Ibadan,
Nigeria, 1982.
8. Winrock International Research Award, Federal University of Technology, Owerri, Nigeria, 1991.
9. Winrock International Research Award, Federal University of Technology, Owerri, Nigeria, 1994.
(b) Prizes
1 Higher School Physics Prize, Government College Umuahia, Abia State, Nigeria, 1972.
2. Duro Oyekanle Prize for the best second year student in the Deparment. of Agricultural Economics, University of Ibadan, Nigeria, 1974/75.
3. NUPEMECO Prize for the best all-round student in the Faculty of Agriculture and
Forestry, University of Ibadan, Nigeria, 1975/76.
4. Departmental Prize in Agricultural Economics, University of Ibadan. Nigeria, 1975/1976.
(c) Awards:
1. Cited in The new WHO is WHO in Nigeria, Second Edition, Nigeria International Biographical Centre, Lagos,p.667, 2003
2. Distinguished Educational Leadership Award, 2007, Institute of Industrial Administration
of Nigeria
3. Fellow of the Institute of Industrial Administration of Nigeria,2007 (F.I.I.A).
4. Fellow of Nigerian Association of Agricultural Economists, 2016 (Fnaae).
(d) Commendations Letters of commendations by
1. The Commissioner of Agriculture, Rivers State (NYSC), 1977
,
2. The Governing Council, Michael Okpara University of Agriculture, Umudike, 2005.
(e) Other Distinctions
1. School Monitor and Football Captain, Saint Mary’s Catholic School, Isieke Ibeku
Umuahia, Abia State,1962.
2. Study Prefect, College of Immaculate Conception (C.I.C) Enugu, Enugu State, 1966.
3. Labour Prefect and School Refectorian College of Immaculate Conception Enugu, 1967.
4. House Prefect, (Nile House), Government College, Umuahia, Abia State, 1972.
C. PREVIOUS EMPLOYMENT HISTORY
1. Science Tutor, Abam High School, Ozuabam, Ohafia, Abia State, Jan. – Sept. 1973.
2. Lecturer, School of Agric. And Fisheries, Onne, Rivers State, Nigeria (N.Y.S.C),
Aug.1976-Aug. 1977.
3. Teaching Assistant (Tutor), Department of Agricultural Economics, University of Ibadan,
1977/78.
4.Research Assistant, Nigeria Institute of Social and Economic Research, University of
Ibadan, Nigeria, Sept. 1977-Jan. 1978.
5. Lecturer II, Department. of Agricultural Economics, University of Ibadan, Nigeria Feb.
1981 to Sept., 1983.
6. Lecturer 1, Department. of Agricultural Economics, University of Ibadan, Nigeria,
Oct.1983-Sept.1984.
7. Lecturer 1, Agricultural Economics and Extension Programme, Federal University of
Technology, Owerri, Nigeria, Oct.1984-Sept.1986.
8. Senior Lecturer, Department. Agricultural Economics and Extension, Federal University
of Technology, Owerri, Nigeria, Oct.1986-Aug. 13th 1992.
9. Co-ordinator of Agricultural Economics and Extension Programme, Federal University of
Technology, Owerri, Nigeria, Jan.1987-Sept.1988
.
10. Acting Head of Department. of Agricultural Economics and Extension, Federal University
of Technology, Owerri, Nigeria, Oct. 1988- Oct. 1990.
11. Professor of Agricultural Economics, Department of Agricultural Economics &
Extension, Federal University of Technology, Owerri, Nigeria, Aug. 14, 1992 -Feb.2001.
12. Dean, School of Agriculture and Agricultural Technology, Federal University of
Technology, Owerri, Nigeria, Sept. 1996-Nov.1998.
13. Head, Department of Agricultural Economics & Extension, Federal University of
Technology, Owerri, Nigeria, Feb. 2000-Jan. 2001.
14. Professor of Agricultural Economics, Michael Okpara University of Agriculture, Umudike,
Nigeria, March 1st 2001 to date.
15. Head, Department of Agricultural Economics, Michael Okpara University of Agriculture,
Umudike, Nigeria, September 2001-Aug.2002.
16. Dean, College Agricultural Economics, Rural Sociology and Extension, Michael Okpara
University of Agriculture, Umudike, Nigeria, Sept. 2002-Oct. 2008
17. Acting Deputy Vice Chancellor, Michael Okpara University of Agriculture, July 2007-
Ferbuary 2008; June 30- August 8 2008, etc
18 Acting Vice Chancellor, Michael Okpara University of Agriculture, Umudike on various
Occasions
19 Visiting Professor of Agricultural Economics, Department of Agricultural Economics and
Extension, University of Uyo,Uyo,Akwa Ibom State,Nigeria,Oct.2 2008-Sept.30 2009.
20 Adjunct Professor of Agricultural Economics, Department of Agricultural Economics and Extension, University of Uyo,Akwa Ibom State, Nigeria, Nov. 2009 to Nov. 2016
(D) PRESENT EMPLOYMENT STATUS AND SALARY
Professor of Agricultural Economics, Michael Okpara University of Agriculture, Umudike. March 1st 2001 to date,Con UASS 7/10
ii) Supervision of Undergraduate Students
(a) University of Ibadan (1981/82 – 1983/84)
B.Sc = 15 Students
(b) Federal University of Technology, Owerri (1984/85 – 2000/01)
B. Agric. = 36 Students
(c) Michael Okpara University of Agriculture, Umudike 20001 to Date.
B.Agric = 80 Students
(iii) Courses Taught at Michael Okpara University of Agriculture, Umudike
(a) Undergraduate courses (B.Agric. (Level)
1 AEC 111 -Introduction to Econometrics
2 AEC 521 -Operations Research
3 AEC 512 Microeconomic Theory
(b) Post Graduate Courses (M.Sc./Ph.D Levels)
3 AEC 810 -Microeconomic Theory
4 AEC 812 -Econometrics
5 AEC 840 -Farm Management
6 AEC 910 -Advanced Microeconomic Theory
7 AEC 912 -Advanced Econometrics
8 AEC 928 -Advanced Agricultural Production Economics
9 AEC 924 -Operations Research
10 AEC 829 Mathematical Economics
(E) ACADEMIC LEADERSHIP QUALITIES
(a) Development, Supervision and Conduct of Research
1. Onyenweaku C.E (1978): An Econometric Study of the Impact of Income Distribution on Consumers Expenditures in Nigeria. M.Sc Project, Department of Agricultural Economics, University of Ibadan.
2. Onyenweaku C.E (1980): A Linear Programming Analysis of Inter-regional Competition in Nigeria Agriculture, Ph.D Thesis, Department of Agricultural Economics, University of Ibadan.
3. Team Leader, National Coordinated Research Programme, National Coordinated Research Programme, for Horticulture, Federal University of Technology Owerri, 1997-2001.
4. Socio-Economist and Team Leader, Eco-regional Programme for the Humid and Sub-Humid Tropics of Sub-Sahara Africa (EPHTA), and the Degraded Forest Zone of South Eastern Nigeria, IITA, Ibadan and NRCRI, Umudike (1996 to Date).
5. Team Leader, South East Zone of Nigeria National Agricultural Research Strategy Plan for Nigeria, (1994).
(b). Ability to Attract Research Grants and Funds
1. Rockefeller Foundation Research Fellowship, Department of Agricultural Economics,
University of Ibadan, 1979-80.
2. Ford Foundation Research Fellowship, Department of Agricultural Economics, University of Ibadan, (1982).
3. Winrock International (USA) Research Award, Federal University of Technology, Owerri, (1991).
4. Winrock International (USA) Research Award, Federal University of Technology, Owerri (1994).
5. National Agricultural Research Project (NARP), Research Grant to Universities and Research Institutes, 1993/94
(c). Supervision of Postgraduate Research and Thesis.
(i) M.Sc Thesis Supervision
(a) University of Ibadan
1. Taro Aboubakar Yari. Optimum Farm Plans in Borgou Province, People’s Republic of Benin M.Sc 1982 (Sole Supervisor)
2. Madu E.N. Estimation of Agricultural Supply Response in Nigeria. The case of Cocoa and Palm Oil. M.Sc 1983. (Sole Supervisor).
3. Inyang I.M. Economic Replacement Models for Abak Oil Palm Mill and Plantation Abak Ikot Anwan, Cross Rivers State of Nigeria. M.Sc. 1984 (Sole Supervisor).
4. Adeyemo J.A. An Econometric Analysisis of Nigeria’s meat Imports, 1960-1981. M.Sc 1984 (Sole Supervisor).
5. Alarms L.D, Application of Markov Chain Analysis in Forecasting the Adoption of Oil Palm Seed Technology in Nigeria. M.Sc 1984 (Sole Supervisor).
(b) Federal University of Technology, Owerri
1. Nwaru J.C. Relative Production Efficiency of Cooperative and Non-Cooperative Farms in Imo state, Nigeria. M.Sc 1993. (Sole Supervisor).
2. Anyanwu S.O. Resource Productivity and Efficiency in Compound and Non-Compound Farms in Imo State, Nigeria. M.Sc 1993 (Sole Supervisor)
3. Agu S.E. Economics of Small-Holder Rice Production systems in Uzo-Uwani Local Government Area of Enugu State. M.Sc 1997 (Sole Supervisor).
4. Ohajianya D.O. “Demand for Agricultural Credit from Community Banks in Imo State, Nigeria. M.Sc 1997 (Sole Supervisor).
(c) Federal University of Agriculture, Makurdi
1. Kor J.O. Economics of Rice Production in Benue State: A Case Study of Katsina-Ala Local Government Area. M.Sc 2002 (Major Supervisor)
2. Ayinoko S.T. Effect of Fertilizer Subsidy – Removal on Rice Production in Benue State M.Sc 2002, (Major Supervisor).
3. Weye E.A. A Farm Level Evaluation of the Impact of the National Livestock Division’Credit on Broiler Production in Benue State M.Sc 2002. (Major Supervisor).
4. Biam C.K. An Appraisal of the National Fadama Development Project: A Case Study of
Makurdi Local Government Area, Benue State. M.Sc 2002 (Major Supervisor).
(d) Michael Okpara University of Agriculture, Umudike
1. Igwe K.C. Technical Efficiency and its Determinants in Yam Production in Nasarawa State of Nigeria. M.Sc 2004 (Major Supervisor).
2. Ogbonna M.C. Economics of Soil Conservation Farming Techniques in Abia State, Nigeria. M.Sc. 2004 (Major Supervisor).
3. Igbokwe N.U. Efficiency of Small-holder Cassava Production in Abia State, Nigeria. M.Sc 2004 (Co-Supervisor).
4. Amaefula A. Evaluation of Technical, Allocative Economic Efficiency in Fish Farming in Delta State, Nigeria. M.Sc in Progress (Sole Supervisor).
5. Okoye B. C. Technical and Economic Efficiency in Cocoyam Production in Anambra State. M.Sc 2006 (Sole Supervisor).
6. Nwachukwu, I.N. Efficiency of Vegetable Production in Imo State, Nigeria: The case of Fadama Telfairia Occidentalis. M.Sc 2006 (Sole Supervisor)
.
7 Udoka S.J. Evaluation of the Seed Yam Production in Akwa Ibom State, Nigeria. M.Sc 2006 (Sole Supervisor).
.
8 Onyebinama I.C. Econometric Analysis of the Exports Trend of Nigeria’s Major
Agricultural Commodities, M.Sc 2007 (Sole Supervisor)
9 Opara T .C Efficiency and Productivity Growth in Food Crops Production in Imo State,
Nigeria.M.Sc 2008, (Sole Supervisor).
10 Okezie, C. R, Evaluation of Micro Credit Programme: A Case Study of National Special
Programme for Food Security in Abia State, Nigeria, M.Sc 2008 (Sole Supervisor)
.
11 Animpuye,H.A Efficiency of Small Scale Food Production in Abia State,Nigeria,M.Sc 2016 ( Sole Supervisor)
12 Ozongwu,E.N Demand for Animal Protein in Rural and Urban Areas of Abia State,Nigeria. M.Sc 2016 (Sole Supervisor)
.
13. Idam,L.K Analysis of Food Security and Welfare Status of Rice Farmers in Ebonyi State. M.Sc in Progress (Sole Supervisor)
.
14. Onyeaganam,M.C Determinants of the Adoption of Agrochemical Technologies Among Small Holder Arable Crop Farmers in Anambra State,Nigeria,M.Sc in Progress(Sole Supervisor)
.
15. Ogbonnaya,H.I, Economics of Resource Use in Small Scale Cassava Production in Abia State,M.Sc in Progress.( Sole Supervisor)
i. Ph.D Thesis Supervision
(a) Federal University of Technology, Owerri.
1. Okolo D.A. an Evaluation of the World Bank Assisted Oil Palm Project in Nigeria. Ph.D 1998 (Major Supervisor).
2. Ohajianya D.O. Gender, Farm Size and Relative Efficiency in Rice Production Systems in Ebonyi State, Nigeria: A Profit Function Approach Ph.D, 2000 (Major Supervisor)
3. Obasi P.C. The Determinants of Food Consumption and Agricultural Productivity in Imo State, Nigeria. Ph.D, 2000, (Major Supervisor).
4. Mathews Njoku E.C. Communication Related Factors Affecting the Adoption of Improved Cassava Production Technologies Among Rural Farmers in Imo State, Nigeria. Ph.D 2000 (Co-Supervisor).
5. Ofodile P.O. Inter-organizational Relationship Between Research and Agricultural Extension Agencies in South Eastern Nigeria. Ph.D, 2001 (Co-Supervisor).
6. Lemchi J.I. The Marketing System for Cassava Products in Imo State, Nigeria. Ph.D 1999 (Co-Supervisor)
7. Asumugha G.N. Efficiency of the Marketing System for Ginger in Nigeria, Ph.D 1999 (Co-Supervisor).
8. Orebiyi J.S. The Performance of Rural Credit Markets in Imo State, Nigeria, Ph.D 2000 (Co-Supervisor).
9. Onuoha R.E. The Structure, Conduct and Performance of the Palm Oil Markets Imo State, Nigeria, Ph.D, 2000 (Co-Supervisor).
10. Oguoma N.N.O. Evaluation of the Agricultural Credit Guarantee Scheme in Imo State, Nigeria. Ph.D, 2003 (Co-Supervisor).
11. Anuebunwa F.O. The Structure, Conduct and Performance of the Marketing System for Processed Cassava (gari) in South Eastern Nigeria: A case study of Abia State. Ph.D 2004 (Co-Supervisor).
12. Onugu C.U. Self-Help Groups and Community Banks Linkages in Credit Extension Programmes in Rural Nigeria, Ph.D 2003 (Co-Supervisor).
b. Michael Okpara University of Agriculture, Umudike
1. Nwaru J.C. Rural Credit Markets and Production Efficiency of Farmers in Imo State, Nigeria. Ph.D 2004 (Major Supervisor).
2. Tanko L. Optimum Combination of Farm Enterprises in Kebbi State, Nigeria. Ph.D 2004 (Major Supervisor).
3. Emereole C.O. Determinants of Income and Consumption Expenditures of Small-Holder Farm Households in Ikwuano L.G.A., Abia State, Nigeria. Ph.D, 2004 (Co-Supervisor).
4. Effiong E.O. Technical and Economic Efficiency of Selected Livestock Enterprises in Akwa Ibom State, Nigeria, Ph.D 2005 (Major Supervisor).
5. Njoku, M.S.E. Agricultural Productivity Effects in Consumption, Nutrition and Health Status of Rural Households in Abia State, Ph.D 2005 (Co-Supervisor).
6. Okezie C.A. Commercialization of Agriculture: Effects on Production, Consumption and Nutrition in Abia State, Ph.D 2005 (Co-Supervisor).
7. Idiong I. Evaluation of Technical, Allocative, and Economic Efficiency in Rice Production in Cross Rivers State. Ph.D 2006 (Major Supervisor).
8. Aniedu O.C. Impact of Technological Change on Output, Income, Employment and Factor Shares in Potato Production in Plateau State, Nigeria. Ph.D 2007 (Major Supervisor).
9. Ibeleme S.N. Determinants of Credit Delivery Decisions and Repayment Performance of Small-Holder Oil Palm Borrowers in Abia State, Ph.D 2011, (Co- Supervisor).
10. Amaechi E.C. Capitalization and Efficiency of Small-Holder Palm Oil Processing Mills in Imo State, Nigeria, Ph.D 2007 (Co-Supervisor).
11. Onwuchekwa, A. An Evaluation of the Small Holder Oil Palm Project in Abia State, Ph.D 2006 (Co-supervisor)
12. Ewuzie J.E Piggery Waste Management, Environmental Pollution and Resource Use Efficiency Among Pig Farmers in Imo State,Nigeria, PhD 2009 (Co- Supervisor)
13. Okoye,B.C Analysis of market Participation among Small-Holder Cassava Farmers in Response to Transaction Costs In South Eastern Nigeria. Ph.D 2010 (Major Supervisor).
14. Iheke,O.R Migrant Remittances, Resource Use Efficiency and Welfare Among Rural Smallholder Arable Crop Farm Households in South Eastern Nigeria, Ph.D 2010,(Co-Supervisor)
.
15. Igwe, K.C. Optimum Combination on Farm Enterprises by Farmers in Abia State,
Nigeria, Ph.D 2012, (Major Supervisor)
.
16. Ogbonna, M.C Poverty Levels and Food Demand Among Yam Based Rural Households
in South Easstern Nigeria: A Credit Rating Approach, Ph.D 2011,Major
Supervisor).
17. Nwachukwu,I.N Competitiveness and Agricutural Export Performance in Nigeria,1961-2009.Ph.D 2012 (Major Supevisor)
.
18. Akpan,S. B Analysis of Capacty Utilization in Sugar Industry in Nigeria,Ph.D 2012 (Co-Supervisor).
19 Udo, U . J Optimum Farm Plans with Child Farm Labour Reduction for Arable Crop
Farmers in Akwa Ibom State. Ph.D 2015,( Major Supervisor).
20. Sunmonu,S .O: Relative Performance of Formal and Informal Agricultural Credit Markets in Abia State, Nigeria.Ph.D 2015, ( Major Supervisor).
21. Olejuru,E Impact of Fadama II Project on Farmer,s Asset Acquisition, Income Generation and Sustainable Land Management in South Eastern Nigeria. Ph.D 2015 (Major Supervisor).
22. Ibeagwa, O.B Determinants of Agricultural Gross Domestic Product, Agricultural Productivity of Investment and Food Security in Nigeria, 1980-2014: .Ph.D in Progress,(Major Supervisor).
23. Amauwa .O The Effect of Macro Economic Policies on the Growth of Agriculture in Nigeria. Ph.D in Progress,(Major Supervisor.)
24 Udensi.A. I Macroeconomic Effects of Crude Oil Price Fluctuations on Nigerian Agriculture and the Environment.Ph.D in progress.( Major Supervisor).
25 Amanze,P.C Gender Differentials in Cassava Production and Processing Among Small Scale Farmers in South East Nigeria, Ph.D in Progress,( Major Supervisor).
UNIVERSITY OF UYO
1 Ekaette,A.E,Agricultural Exports and Economic Growth in Nigeria, 1970-2012, Ph.D in 2015. (Major Supervisor).
2 Etim, J.D Analysis of the Impact of Some Key Macro economic Fundamentals on Agric Credit Guranttee Scheme Fund in Nigeria, 1978- 2016.PhD in 2016, (Major Supervisor).
© EDITORSHIP OF BOOKS AND REPUTABLE JOURNALS
1. Associate Editor/Editorial Adviser;
· Nigeria Journal of Agribusiness and Rural Development, University of Uyo.
· Esust Journal of Development Management, Enugu.
· Journal of Management Science
· Nigeria Journal of Cooperative Economics and Management N.A.U, Awka
· International Journal of Agriculture and Rural Development, Federal University Of Technology, Owerri.
· Nigerian Journal of Agric. Economics and Extension Uni. Uyo
· Issues in Sustainable Agric. Development Uni. Uyo
· Journal of Agricultural Technology, National Board for Technical Education, Kaduna.
2. Reviewer for the following Journals:
· Modelling Simulation and Control D. France,
· Nigeria Agricultural Journal,
· Nigerian Journal of Agribusiness and Rural Development,
· Journal of Sustainable Tropical Agricultural Research,
· Journal of Sustainable Agriculture and the Environment,
· Journal of Agricultural Technology,
· West African Economic Journal, etc.
d. External Examiner
1. MSc. And Ph.D degrees, Department of Agricultural Economcs, Federal University of Tecnology, Owerri, 2010/2011 to date.
2 M.Sc. and Ph.D degrees, Department of Agricultural Economics, University of Calabar, 1997/98 to 2007/2008.
3. Msc and Ph.D degrees, Department of Agric. Economics, Ebonyi State University,Abakaliki, 2013/2014.
4. M.Sc degree, Department of Agricultural Economics and Extension, Rivers State University of Science and Technology Port Harcourt, 1995/96-1997/98.
5. B.Agric degree, Department of Agricultural Economics and Extension, University of Uyo, 1993/94-1997/98.
6. Ph.D degree, Department of Agricultural Economics, University of Ibadan, 1993.
7. H.N.D, College of Agriculture, Umuagwo, Imo State, 1993/94-1995/96
8. B.Agric degree, Department of Agric. Economics and Extension, Federal University ofTechnology, Owerri, 2002/03 to 2005/2006
.
9.MS.c Degree,Department of Agric. Economics, Enugu State University of Science Technology, Enugu, 1992/93
10. M.Sc degree, Department of Agricultural Economics, Obafemi Awolowo University, Ile-Ife, 1987/88-1988/89.
11. M.Sc degree, Department of Agricultural Economics, University of Nigeria, Nsukka 1986/87-1987/88.
e. External Assessor
University of Nigeria Nsukka, Abia State University Uturu, University of Port Harcourt, University of Abuja, University of Uyo, Nnamdi Azikiwe University, Awka, Delta State University, Abraka; Federal University of Technology, Owerri; Abubakar Tafawa Balewa University, Bauchi ,University of Ibadan, Ibadan, Obafemi Awolowo University. Ile- Ife, Nigerian Institute of Social and Economic Research, Ibadan and Benson Idahosa University, Benin City.
F. COMMUNITY/NATIONAL SERVICE AND CONSULTANCIES
(a) Extension Services to Local, State or Federal Government
1. National Youth Service Corps (NYSC), Rivers State 1976-1977
(b) Representation in Outside Bodies
1. Coordinator, Abia State Cassava Transformation Programme,Nov.2011 to 2013
2 Elder and Member, Church Committee, Christian Pentecostal Mission,House of Assembly Road , Umuahia, Abia State.
3. Member, Technical Committee, Farming Systems Research and Extension networks, South Eastern Nigeria, 2002 to 2008
4. Member, National Universities Commission’s Resources Verification Team to Ahmadu
Bello University,Zaria and Bayero University, Kano, December 2007.
5. Elder and Member Church Council, Soul Winners Evangelistic Ministries, Nigeria, 1997 to 2008.
6. Member, National Executive Council Soul Winners Evangelistic Ministries, Nigeria, 1997 to 2008
7. Member, National University Commission’s Accreditation Panel to the University of Maiduguri, Abubakar Tafawa Balewa University Bauchi, Federal University of Technology, Yola and Federal University of Agriculture, Makurdi, 1999.
8. Ordained Elder, Soul Winners Evangelistic Ministries Nigeria, 1997.
9 Member, Technical Committee, Farming Systems Research and Extension Research Network, South Eastern Nigeria, 1996-1998.
10. Deacon, Assemblies of God Church, Shell Camp, Owerri, 1992.
11. Chairman, Local Organizing Committee ,Farm Management Association of Nigeria Annual Conference in Imo State, 1987.
12. Publicity Secretary, Abia State Movement, Oyo State Branch, 1983-84
13 Member, Ibeku Welfare Association, Ibadan Branch, 1981-1984
14 Member, Ibeku Welfare Association, Owerri Branch, 1984-2000.
15 President, College of the Immaculate Conception, Enugu, Old Boys Association University of Ibadan Branch, 1978-1980.
16. Member, Ndume Welfare Association, Ibadan Branch, 1973-1984
17. Vice President, Ndume Welfare Association, Ibadan Branch, 1982-1984.
18. Member Ohaneze Abia State Agricultural Summits Planning Committee. 2005-Date.
(c) Consultancy Services
1. Team Leader, Kuzics Nigeria Ltd, Team of Consultants on Social Assessment of Imo State: A Study Commissioned by Micro Watershed and Environmental Management Programme, Federal Ministry of Environment, Abuja, 2001-2002.
2. Consultant to National Agricultural Research Project (NARP), Federal Ministry of Agriculture and Natural Resources, Abuja on Formulation of National Agricultural Research Strategy Plan for Nigeria, 1994-95.
3. Consultant to United Nations Development Programme, Lagos on Strengthening the External Trade Sector of Nigeria, 1993.
4. Member, Federal Government of Nigeria Team of Consultants on Guaranteed Minimum Prices for Grain Crops in Nigeria, Department of Agricultural Economics, University of Ibadan, 1981.
5. Member, Federal Government of Nigeria Team of Consultants on Guaranteed Minimum Prices for Grain Crops in Nigeria, Department of Agricultural Economics, University of Ibadan, 1994.
6. Member, Food and Agricultural Organization’s (FAO) Team of Consultants on Preparation of Case Studies on Rural Development in Nigeria, Department of Agricultural Economics, University of Ibadan, 1982.
(d) Curriculum Development
1.Headed the Development of both the undergraduate and postgraduate degree curricula, of the Department of Agricultural Economics, Federal University of Technology, Owerri.
2.Headed the Development of both the undergraduate and MBA degree curricula for College of Agribusiness and Financial Management, Michael Okpara University of Agriculture,Umudike.
(G) UNIVERSITY ADMINISTRATION
(i) Deanship/Directorship/Coordinatorship/Headship in the University.
1. Co-ordinator of Agricultural Economics and Extension Programme, Federal University of Technology, Owerri, Jan. 1987-Sept. 1988.
2. Acting Head, Department of Agricultural Economics and Extension, Federal University of Technology Owerri, Oct. 1988-Oct. 1990.
3. Dean, School of Agricultural and Agricultural Technology, Federal University of
Technology Owerri, Sept. 1996-Nov.1998.
4. Head, Department of Agricultural Economics and Extension, Federal University of
Technology Owerri, Feb. 2000 – Jan.2001
5. Head, Department of Agricultural Economics, Michael Okpara University of Agriculture, Umudike, Sept. 2001 to Aug. 2002.
6. Dean, College of Agricultural Economics, Rural Sociology and Extension, Michael Okpara University of Agriculture, Umudike Sept. 2002-Sept.2005
7. Dean, College of Agricultural Economics, Rural Sociology and Extension, Michael Okpara University of Agriculture, Umudike Oct. 2005-Sept.2008.
(ii) Membership of University/School Committees at the University of Ibadan
1. Member, Undergraduate Committee, Dept. of Agric. Economics, 1981/84.
2. Member, Publications Committee, Dept. of Agric. Economics, 1983/84.
3. Co-ordinator, Broiler Experimental Unit, Dept. of Agric. Economics, 1983/84.
4. Faculty Representative on University Computer Committee, 1983/84.
(iii) Membership of University/School Committees at Federal University of Technology,
Owerri.
1. Member Board of Studies School of Management Technology, 1984-1986.
2. Member, Research Committee, School of Agric. and Agric. Tech., 1984-1988.
3. Member, Farm Steering Committee School of Agric. and Agric. Tech., 1984-1985.
4. School Representative on University Computer Committee, 1984-1990.
5. School Examination Officer, School of Agric. And Agric. Tech. 1986-1988
6. Member, Laboratory Steering Committee, School of Agric. and Agric.Technology1986-1987.
7. Member, Credentials Committee, School of Agric. and Agric. Technology, 1981988.
8. Member, University Postgraduate Committee, 1987-1990.
9. Member, University Senate Examination Committee, 1987-1988.
10. Member, University Senate, 1987-1990.
11. Member, School of Agric. & Agric. Technology Consultancy, Research and Postgraduate Committees, 1990-1996.
12. Member, University Senate, 1992 to 2001.
13. Chairman, School of Agric. and Agric. Technology Junior Staff Matters Committee, 1992-1996.
14. Chairman, University Senior Staff Housing Allocation Committee, 1992-1997.
15. Member, Vice Chancellor’s Advisory Committee, 1996-1998
16. Member, University Postgraduate Committee, 1996-1998
17. Member, University Estimate Committee, 1996-1998
18. Member, University Research Committee, 1996-1998
19. Member, University Academic and Non Academic Appointment and Promotion
Committee, 1996 – 1998.
20. Member, University Accreditation Committee 1998
21. Member, University Anti-Cult Committee, 2000-2001
(iv) Hall Mastership/Student Advisership/SIWES at Federal University of Technology, Owerri.
1. Academic Adviser to 4th and 5th year Agricultural Economics and Extension Students, 1986 to1990
2. Academic Adviser, 4th year Agricultural Economics Students, 1990 to 1996.
3. Assistant Hall Master for Hall 4, 1981 – 1988.
(v) Membership of University/College Committees at Michael Okpara University of Agriculture, Umudike.
1. Member, University Senate, 2001 to date.
2. Member, University Postgraduate Committee, 2001 to 2008.
3. Member, Academic and Non Academic Staff Appointment and Promotion Committee, 2001 to 2008.
4. Member, Student Disciplinary Committee, 2001 to 2008.
5. Member, Committee of Deans and Directors, 2002 to 2008.
6. Member, University Admissions Committee, 2001 to 2008.
7. Member, University Curriculum Committee, 2002 to 2008.
8. Member, College (CAERSE) Postgraduate, Research, Academic and Non Academic Staff Appointment and Promotion Committees etc, 2001 – 2002 and Chairman same Committees, 2002 to 2008.
9. Member, University Research Committee, 2001 to 2008.
10. Member, Central Appraisals Committee, 2001 to 2008.
11. Chairman College (CAERSE) Accreditation Committee, 2005.
12. Member, University Accreditation Committee, 2005.
13. Chairman, Committee of Deans and Directors 2005-2008.
14. Member, University Planning Committee 2006 to 2008.
15. Member, Project Implementation Committee, 2005 to 2008.
16. Chairman, University Reform Committee, 2006.
17. Chairman, University Infrastructure Naming Committee, 2006.
18. Chairman, University Task Force on Accreditation, 2007.
19. Chairman, University Farm Committee 2007.
20. Board Member, Centre for Continuing Education, 2007-2008.
21. Board Member, MOUAU Extension Centre, 2007-2008.
22. Board Member, Research and Development,2007-2008.
23. University Representative in Steering Committee of the South East Nigeria Economic Commission (SENEC). 2008 to date.
24. Member. Honorary Degree Committee, 2010.to 2011.
25. Chairman, MOUAU National Health Insurance Scheme Management Board 2010 to date
26. Chairman,Senate Adhoc Committee on Prof. Ohaeris Response to a Query Issued to Him, 2014.
27. Member: Committee on cases of Delayed Appraisal and Promotion to Professorial Cadre. M.O.U.A.U, 2016
28 Member ,Committee on cases of Delayed Apprisal and Promotion to Non Professorial and Administrative Staff, MOUAU,2016.
29.Member, Committee on Introduction/Establishment of Agricultural Seed Science and Technology Centre Course Programme in Nigerian Universities and Educational Institutions.
30 Chairman, Investigation Panel on Alleged Breach of Peace by Prof Vincent Asor
(H) MEMBERSHIP OF PROFESSIONAL ASSOCIATIONS
1. Indian Society of Agricultural Economists
2. Nigeria Association of Agric. Economists
3. Farm Management Association of Nigeria
4. Nigeria Agricultural Society
5. International Association of Agric. Economists
6. African Rural Policy Analysis Networks
7. Nigeria Association of Economists
I. EXTRA CURRICULUM ACTIVITIES
Football, Religious Activities and Watching Movies etc.
J. PUBLICATIONS AND RESEARCH
(i) Research Books and Monographs.
1. Olayemi J.K. & C.E. Onyenweaku (1999) Quantitative Methods for Business Decisions. Department of Agric. Economics, University of Ibadan, Nigeria 375pp.
2. Onyenweaku C.E (1997): Impact of Technological Change on Output, Income, Employment and Factor Shares in Rice Production in South Eastern Nigeria. Monograph
No.5. African Rural Social Sciences Research Networks Series, Winrock International,
U.S.A, 23 pp.
3. Onyenweaku C.E (2007) Agricultural Productivity and Efficiency in Nigeria. Second Inaugural Lecture, Michael Okpara University of Agriculture, Umudike, Jan 10 2007, 52 pp .
(ii) Chapters in Research Books
1. Onyenweaku C.E. and T. Ogunfiditimi (1984) “The Cashew Development Project in Anambra State. A Case Study”. Chapter. 49. In Agricultural Planning in Nigeria. Olayemi J.K et al, (ed.) C.A.R.D. University of Ibadan Nigeria. Pp.613-631.
2. Ogunfowora O. and C.E. Onyenweaku (1984) “Linear Programming and its Application to Agricultural Project Analysis”. Chapter.9 in Agricultural Planning in Nigeria. Olayemi J.K. et al, (ed.) C.A.R.D. University of Ibadan Nigeria, Pp.109-125.
3. Onyenweaku C.E. (1988). “Efficiency of Resources in Food Production in Nigeria. A Case Study of Anambra-Imo River Basin Development Authority”. Chapter. 18. Corporate Strategy for Agricultural and Rural Development in Nigeria. Sanda A.O. (ed), Les Shyraden Nigeria Ltd, Pp.227-298
.
4. Onyenweaku,C. E (1988). Rural Development through Stimulating the Adoption of Improved Technology by Farmers in Imo State, Nigeria. Chapter 24. Critical Issues in Rural Developmkent., Igbozurike, U. M. (ed.) Karto Press, Owerri pp. 206 – 218
5 Onyenweaku C.E. (1989). “Measures of Technical and Economic Efficiency in Feed-Mill Business Operations, Chapt.9 Feed Mill Management in Nigeria, Ogunfowora et. al,. ed. Ibadan University Press Ltd. Pp.119-130.
6 Onyenweaku C.E. (1989). “Rural Development Through Increasing Resource Productivity and Efficiency Among Farmers in Imo State”. Chapt.11, Role and Paradigm in Rural Development Igbozuruike U ed. Karto Press Owerri,Pp.487-494.
7 Onyenweaku C.E. and N.I Ohakah (1990). Rural Development Through Mobilization off Savings Among Rural Households in Imo State. Chapt. 57 Empiricism in Rural Development Igbozuruike U,et al, ed. Karto Press, Owerri, Pp.438-445.
8 Onyenweaku C.E. and A.O. Yakubu (1990). Farm Technology Adoption and Rural Development: A case Study of Oredo L.G.A. Bendel State. Chapt. 19 Empiricism in Rural Development Igbozuruike, U, et. al,. ed. Karto Press, Owerri, Pp. 144-152 .
9. Onyenweaku C.E. (1991) Principles of Farm Business Management in a Handbook on Co-Operative Management Njoku J.E and M.A.C. Odii (eds.) Pp.108-125. Department of Agricultural Economics, Federal University of Technology, Owerri Nigeria.
10.Odii M.A.C. and C.E. Onyenweaku (1991) “Impact of Exchange Rate Deregulation on Cash Crop Exports in Nigeria”. Structural Adjustment: A Multi Sectoral Analysis Anyanwu A (ed.) Pp.297-304.
11.Onyenweaku, C.E. (1994) Economics of Irrigation in Crop Production in Nigeria. In Issues in Africa Rural Development” Vol.II Breth S.A. (ed.) Winrock International Institute for Agric. Development, U.S.A ,Vol.2 Pp.129-138
.
12.Onyenweaku,C.E(2009) Socioeconomic Variables in Agro-Processing and Raw Materials Sourcing in Nigeria. Chapter 9. Agricultural Raw Materials Sourcing and Processing in Nigeria. Raw Materials Council of Nigeria. Ministry of Science and Technology, Abuja.pp.203- 212
(iii) Published Papers in Referred Journals.
1. Onyenweaku C.E., O. Ogunfowora and A.O. Falusi. (1978/79) “Spatial Equilibrium Analysis of Nigeria Agric.” Journal of Rural Economics and Development, Nigeria Vol.12 No.3 Pp.1-14.
2. Onyenweaku C.E. Ogunfowora and A.O. Falusi. (1982)”An Inter-regional Programming Model for Agric. Planning in Nigeria. Indian Journal of Agric. Economics, India, Vol. XXXXV No.4 Pp. 483-493.
3. Onyenweaku C.E. (1988) “Growth of Productivity in Nigerian Agriculture, 1960-64 Pp.1978-82” Journal of Food and Agriculture, Nigeria, Vol.2 No.2 Pp.147-152.
4. Onyenweaku C.E. and L.D. Alarms (1988), “Application of Markov Chain Process in Forecasting the Adoption of an Oil Palm Seed Technology in Nigeria”. Ife Journal of Agriculture, Nigeria, Vol. 10, Nos.1 and 2, Pp.98-105.
5. Onyenweaku C.E. and Y.L. Fabiyi (1991). “Relative Efficiency of Co-operative and
Individual Farmers in Food Production in Imo State” AMSE transactions, France: Vol. 8. No.4 Pp.23-32.
6. Onyenweaku C.E. and Y.L. Fabiyi (1991), “ A Comparative Analysis of Co-operative and Non-Co Operative Farmers in Food Production in Imo State.” Ife Journal of Agriculture, Nigeria. Vol.13. No.1 and 2. Pp.90-96.
7. Onyenweaku C.E. and C.O. Awuja (1991). “Allocative Efficiency in Pig Production in Imo State, Nigeria.” Modelling Simulation and Control, France Vol.28, No.2 Pp. 51-63.
8. Onyenweaku C.E. (1991). “Factors Associated with the Adoption of the Seed-Yam Minisett Technique by Farmers in Imo State, Nigeria: Journal of Agric. Science and Technology, Nigeria. Vol.1. No.2 Pp.155-157 (Short Communication).
9. Onyenweaku C.E. (1991). “The Adoption of the Minisett Technique by Farmers in Anambra State”. Nigeria Journal of Agricultural Extension, Nigeria. Vol.6, Nos. 1 and 2, Pp.11-19.
10. Onyenweaku C.E. and C.M. Ozoh (1992). “Savings Mobilization Among Rural Households in Anambra State”. Quarterly Journal of International Agriculture, West Germany, Vol.1, No.1 Pp.79-89.
11. Onyenweaku C.E. (1992). “Productivity Trends and Improvement Measures in Nigeria’s Food Sub-Sector, 1960/61-1987/88”. AMSE Transaction, France, Vol.7. No.2 Pp.33-45.
12. Onyenweaku C.E. (1992). “Investigation of the Hypothesis of Deceleration in Crop Production in Nigeria”. Modelling, Measurement and Control, France. Vol.7, No.1 Pp.27-40.
13. Obasi, P.C., Onyenweaku C.E. and J.E. Njoku (1994). “Relative Production Efficiency of Credit and Non Credit Users among Farmers in Imo State: Modelling, Measurement and Control D., France Vill.12 No.2 pp.13-30.
14. Onyenweaku C.E., P.C. Obasi and S.O. Anyanwu, (1996)). “Production Relationships Among Compound and Non-Compound Farms in Imo State, Nigeria: Journal of Applied Science in Southern Africa, Zimbabwe. Vol.2. No.1 Pp.31-36.
15. Onyenweaku C.E. and E.N Madu, (1998). “Price Stimulation of Nigeria Palm Oil. An Application of Distributed Lag Econometric Model. Nigerian Journal of Technical Education, Nigeria. Vol.15 No.1 pp.186-194.
16. Onyenweaku C.E., S. Agu and P.C. Obasi (2000). “Economics of Small-Holder Rice Farming Under Various Production Systems in South Eastern Nigeria.” Nigerian Journal of Agribusiness and Rural Development, Nigeria. Vol.1. No.1, Pp.1-11.
17. Ohajianya D.O. and C.E.Onyenweaku (2001) “Gender and Relative Efficiency in Rice Production Systems in Ebonyi State of Nigeria.” Nigerian Journal of Agriculture and Sustainable Environment, Nigeria. Vol.3 No.2. Pp.384-392.(Research Note).
18. Ohajianya D.O. and C.E. Onyenweaku (2002)” Farm Size and Relative Efficiency in Rice Production in Ebonyi State, Nigeria, “Modelling Simulation and Control D., France. Vol.23. No.2. Pp.1-16.
19. Ohajianya D.O. and C.E. Onyenweaku (2003).”Analysis of Costs and Returns in Rice Farming by Farm Size in Ebonyi State, Nigeria. Journal of Agric and Social Research, Nigeria,Vol..3. No.1 Pp.29-39.
20. Obasi P.C. and C.E. Onyenweaku (2002): Income Distribution Among Households in Owerri Agricultural Zone of Imo State, Nigeria. International Journal of Agriculture and Rural Development, Nigeria, Vol. 3 Pp.28-36.
21. Ohajianya D.O and C.E. Onyenweaku (2003), Demand for Community Bank Credit by Small Holder Farmers in Imo State, Nigeria. Journal of Sustainable Tropical Agricultural Research, Nigeria, Vol.7. Pp.26-32.
22. Onyenweaku C.E. (2004) “Impact of Technology on the Productivity of Rice Farmers in South Eastern Nigeria.” Nigerian Journal of Agribusiness and Rural Development, Vol.4 No.4 Pp.1-7.
23. Onyenweaku C.E. (2004) “Technical Change in Rice Production in South Eastern Nigeria.” Modelling, Measurement and Control, D. France, vol.25 No 4 pp 59-6.
24. Onyenweaku C.E. (2004)”The Application of Translog Cost Functions to the Measurement of Factor Biases in Technical Change in Rice Production in South Eastern Nigeria. Journal of Sustainable Tropical Agric. Research, Nigeria. Vol. 12. Pp.5-9.
25. Onyenweaku C.E. (2004), “Stagnation/Acceleration/Deceleration in Agricultural Production in Nigeria, 1970-2000.”Journal of Agriculture, and Food Sciences, Vol.. 2. No.2 Pp 131-140.
26. Onyenweaku C.E., Igwe K.C. and Mbanasor J.A. (2004)” Application of A Stochastic Frontier Production Function to the Measurement of Technical Efficiency in Yam Production in Nasarawa State, Nigeria”. Journal of Sustainable Tropical Agric. Research, Nigeria. Vol. 13 Pp. 20-25.
27. Nwaru J.C. C.E. Onyenweaku, E.C. Nwagbo and A..C. Nwosu,(2004) “Determinants of Rural Farm Loan Repayment: Implications for rural Credit markets Development in Imo State, Nigeria.” Journal of Agriculture and Food Science, Nigeria. Vol. 2 No.1 Pp. 48-57.
28. Ohajianya D.O. and C.E. Onyenweaku (2012): Factor Demand and Output Supply Elasticity in Rice Production in Nigeria: Profit Function Results.International Journal of Applied Research an Technology, Vol. 1 No. 6 pp.50-56
29. Onyenweaku C.E. and J.C. Nwaru (2005), “Application of A Stochastic Frontier Production Function to the Measurement of Technical Efficiency in Food Crop Production in Imo State, Nigeria”. Nigeria Agricultural Journal, Nigeria. Vol.36 Pp 1-12.
30. 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, Nigeria. Vol.14 Pp.64-70.
31. Onyenweaku C.E. and L. Tanko (2005): Optimum Combination of Enterprises and Resource Allocation among Arable Crop Farmers in Kebbi State, Nigeria. Journal of Sustainable Tropical Agricultural Research Nigeria. Vol. 14 Pp. 81 – 88.
32. Tanko L. and C.E. Onyenweaku (2005): Optimum Crop Combination Under Limited
Resource Conditions: A Micro Level Study in Yauri, Kebbi State, Nigeria. Nigeria Agricultural Journal Vol. 37, pp. 1 10.
33. Emerole C.O., Nwosu A.C. , Onyenweaku C.E. and Ukoha O.O. (2005): Determinants of Farm Income, Off-Farm income and Savings in Imo State Nigeria. Nigeria Agricultural Journal Nigeria, (Accepted).
34. Onyenweaku C.E. and E. Effiong (2005): Economic Efficiency in Pig Production in Akwa Ibom State, Nigeria. Journal of Sustainable Tropical Agricultural Research, Nigeria. Vol.15 Pp.27-52.
35. Onyenweaku C.E. and E. Effiong (2005): Technical Efficiency in Pig Production in Akwa Ibom State, Nigeria International Journal of Agriculture and Rural Development, Nigeria. Vol. 6. Pp.51-57.
36. Nwaru J.C., C.E. Onyenweaku and E.C. Nwagbo (2005): Interest Rate, Farm Credit Demand and Supply: their Determinants and Implications for Rural Credit Markets in Imo State, Nigeria. Journal of Agriculture, and Food Science, Nigeria. Vol. 3 No.2. Pp.111-123.
37. Onyenweaku C.E. and D.O. Ohajianya (2007): Technical Efficiency of Rice Farmers in South Eastern Nigeria ,Indian Journal of Economics, India Vol. LXXXVIII, No. 348 pp.51-60 )
38. Ukoha O.O., C.E. Onyenweaku and N.U. Igbokwe (2006): Technical Efficiency in Small Holder Cassava Production in Abia State, Nigeria. Modeling, Simulation and Control D. France Vol. 27. No. 3 pp 49 – 58.
39. Effiong E.O and C.E Onyenweaku (2006) Profit Efficiency in Broiler Production in Akwa Ibom State, Nigeria. International journal of Agric. and Rural Dev. Vol.7 No1 pp 72-79.
40. Onyenweaku C.E and Okoye B.C (2007). Technical Efficiency of Small Holder Cocoyam Farmers in Anambra State, Nigeria: A Translog Stochastic Frontier Production Function Approach. International Journal of Agriculture and Rural Development, Nigeria, Vol. 9. No. 1 pp 1 – 6.
41. Ogbonna M.C., C.E. Onyenweaku and J.A. Mbanasor (2005): Economics of Soil Conservation Farming Techniques in Abia State, Nigeria. International Journal of Agriculture and Rural Dev. 9(2): 62-66.
42. Effiong, E.O and C.E. Onyenweaku (2005): Stochastic Frontier Production Function Analysis in Broiler Enterprises in Akwa Ibom State, Nigeria. Global Journal of Agricultural Sciences, University of Calabar. Vol. 5. No 2.pp 127-130.
43. Nwaru J.C, C.E Onyenweaku and E.C Nwagbo (2005) A Comparative Analysis of Allocative Efficiency in input use by Credit and non credit users in Imo State. Journal of science of Agric, Food Tech and Environment, Vol. 6. pp 90-97.
44. Ogbonna M.C, C.E Onyenweaku and J.A Mbanasor (2006). Factors Determining the Adoption of Soil Conservation Techniques in Abia State, Nigeria. Journal of Sustainable Tropical Agricultural Research, Nigeria. Vol.18 pp.22-26.
45. Nwaru J.C, C.E Onyenweaku and A.C Nwosu (2006) Relative Technical Efficiency Credit and Non-Credit Arable Crop farmers in Imo State Nigeria, Africa Crop Science Journal, Kenya, Vol.14.No. 3 pp 241 – 251.
46. Effiong E.O and C.E Onyenweaku (2006) Profit Efficiency in Broiler Production in Akwa Ibom State,Nigeria. International Journal of Agric. And Rural Development, Nigeria. Vol. 7. NO1, pp 72-79.
47 Idiong I.C, C.E Onyenweaku, B.S Ohen and I.D Agwu (2007) A Stochastic Frontier Analysis of Technical Efficiency in Swamp and Upland Rice Production Systems in Cross River, Nigeria. Agricultural Journal, Pakistan, Vol. 2 No 2 pp 299-305.
48 Njoku M.E, A. C. Nwosu and C.E Onyenweaku (2007) Determinants of the Agricultural Productivity of Rural Households in Abia State, Nigeria. Journal of Research in Agriculture, Nigeria, Vol. 4 No 1 pp 38-42.
49. Emerole, C.O., A.C. Nwosu, C.E. Onyenweaku, O. O. Ukoha and A. N. Nwachukwu (2007). Determinants of consumption expenditure and its share to Total Income in Small Farm Households in Ikwuano LGA of Abia State, Nigeria, Global Approaches to Extension Practices, Nigeria, Vol. 3, No. 1 pp 1 – 11.
50. Okoye, B.C. and C. E. Onyenweaku (2007). Economic Efficiency of Small-Holder Cocoyam Farmers in Anambra State, Nigeria: A Translog Stochastic Frontier Cost Function Approach. Agricultural Journal, Pakistan, Vol. 2. No. 4 pp. 535 – 541.
51. Nwachukwu, I. N. and C. E. Onyenweaku (2007). Economic Efficiency of Fadama Telfairia production in Imo State, Nigeria: A Translog Profit Function Approach. Journal of Agricultural Research and Policies, Nigeria, Vol. 2 No. 4 pp. 87 – 93
.
52. Okoye, B.C., C. E. Onyenweaku and G. N. Asumugha (2007). Technical Efficiency of Small-Holder Cocoyam Production in Anambra State, Nigeria: A Cobb Douglas Stochastic Frontier Production Function Approach. Journal of Research in Agriculture, Nigeria, Vol. 4. No. 4. pp. 11 – 16
53. Emerole, C.O;A.C Nwosu, C.E. Onyenweaku and O.O Ukoha (2009) Wage Differentials in Employment and Labour Supply in Smallholder Farm Households of Ikwuano L.G.A of Abia State, Nigeria. The Nigerian Journal of Development Studies,Vol 6 No.2 pp.57-70
54. Ogbonna, M.C, C.E Onyenweaku,J.A. Mbanasor and G.N Asumugha (2007) Determinants of Farm Value: An Application of Hedonic Regression Model to Rural Land Users in Abia State, Nigeria. International Journal of Agriculture and Rural Development, Vol. 10,pp.71-75
.
55. Nwaru, J.C,C.E. Onyenweaku and S.C. Njoku (2007) Rural Risk Management
Strategies in Imo State of Nigeria: The Case of Insured and Uninsured Arable Crop
Farmers. International Journal of Agriculture and Rural Development Vol. 10 No. 2
pp.18-24.
56. Okoye, B. C, C . E Onyenweaku and G. N Asumugha (2007): Allocative Efficiency of Small-Holder Cocoyam Farmers in Anambra State, Nigeria. Nigeria Agricultural
Journal, Vol. 38 pp. 70-81
57. Okoye, B. C, G. N Asumugha, C.A Okezie, L. Tanko and C. E Onyenweaku (2008)
Econometric Assessment of the Trend in Cocoyam Production in Nigeria, 1960/61-
2003/06, Agricultural Journal .Vol 3 No. 2 pp.99-101.
58. Igwe, K. C, C. E Onyenweaku and E. O Iyede (2008) Technical Efficiency of Cassava
Production in Isoko North LGA of Delta State, Nigeria. International Journal of
Agricultural Development, Vol11, No. 2 pp.5-9.
59. Aniedu, C.O and C.E. Onyenweaku (2008) Effect of Technological Change on Output and Factor Shares in Potato Production in Jos Plateau Area of Plateau State,Nigeria.
Journal of Agriculture and Social Research, Vol.8, No. 1 pp.18-27
60. Okoye, B.C, C.E. Onyenweaku, O.O. Ukoha, G.N. Asumugha and O.C. Aniedu (2008)
Determinants of Labour Productivity on Smallholder Cocoyam Farms in Anambra State,
Nigeria. Scientific Research and Essay Vol. 3 No. 11 pp. 559-561.
61. Okoye, B.C, C.E Onyenweaku and A.E Agwu (2008) Technical efficiency of Smallholder Cocoyam Farmers in Anambra State, Nigeria: Implications for Agricultural Extension Policy. Vol. 12 No. 1 pp.107-116
.
62. Nwachukwu I.N, N. Agwu, N.M Ezeh, C.I. Mbanasor,J.A Mbanasor, C.E Onyenweaku and C. E Kamalu (2009) Evaluation of Second National Fadama Development Project in Nigeria: A Rapid Policy. Appraisal. MPRA Paper No. 12914
63. Nwachukwu, I.N and C.E. Onyenweaku (2009) Allocative Efficiency Among Fadama Fluted Pumpkin Farmers in Imo State, Nigeria. International Journal of Agriculture and Rural Development Vol.11No.2 pp.129-136.
64. Onyenweaku,C.E,B.C Okoye and K.C Okorie (2010) Determinants of Fertilizer Adoption By Rice Farmers in Bende LGA of Abia State, Nigeria. Nigeria Agricultural Journal, Vol.41 No.2 pp 1-7.
65 Okoye, B.C, C.E Onyenweaku,and O.O. Ukoha (2010) An Ordered Probit Model Analysis of Transaction Costs and Market Participation by Small-Holder CASSAVA farmers in South-Eastern Nigeria. Nigeria Agricultural Journal,Vol. 41 No 2 pp.54-59.
66. Amaefula, A., Onyenweaku, C.E and Asumugha, G.N. (2010). Ecopnomic Efficiency of Fish Production in Delta State. Nigeria Agricultural Journal,Vol. 41 No 2 pp39-44
67.Nwaru, J.C, O.R. Iheke and C . E Onyenweaku (2011).Impact of Migrant Remitances on the Welfare of Arable Crop Farm Households in South Eastern Nigeria. Human Ecology Review, Ohio, USA,Vol 18 No 2 pp. 159-166.
68 Igwe, K.C, C . E Onyenweaku and J .C Nwaru (2011) Application of Linear Programming to Semi Commercial Arable and Fishery Enterprises in Abia State, Nigeria. International Journal of Economics and Management Sciences, USA,Vol. 1 No. 1pp. 75-81.
69 Nwachukwu, I .N, C .E Onyenweaku, J .C Nwaru and C. Paveliuc-Olariu (2011). Measuring the Degree of Market Power in the Export Demand for Nigerian Cocoa: An Analysis of Dutch Market. Journal of Social and Development Sciences, USA, pp.94-103
70 Ogbonna, M. C, Onyenweaku, C. E and Nwaru, J.C (2011): Trends in Rural Poverty, Income and Land Distribution Among Yam Farm Households in South Eastern Nigeria. The Nigeria Agricultural Journal, Vol. 42, pp. 55-66
71. Onyenweaku,C.E, I.N, Nwachukwu and T.C Opara,(2011): Estimating of Technical Efficiency of Food Crop Producers in Imo State, Nigeria. Journal of Agriculture and Environment,Nigeria.,Vol 7 No 2 pp.117-124.
72. Okoye, B. C, , G .N Asumugha, C. E Onyenweaku,P.O Ukpebor and C. O Odo, (2012) Price Competitiveness and Supply Response of Cocoyam Producers in Nigeria: Implications for Agricultural Trade. The Nigerian Agricultural Journal, Vol. 43, pp. 281-284.
73.Igwe, K. C, Onyenweaku and J.C Nwaru (2012): Optimum Combination of Arable Crops and Selected Livestock Enterprises Among Farmers in Abia State, Nigeria. International Journal of Applied Research and Technology, pp. 72-80
.
74Igwe,K.C and C. E Onyenweaku(2013). A Linear Programming Approach to Food Crops and Livestock Enterprises Planning in Aba Agricultural Zone of Abia State,Nigeria American Journal of Experimental Agriculture, Vol. 3 ,No.2 pp.412-431
75 Igwe,K.C, C.E Onyenweaku and L. Tanko(2013). A Linear Programming Approach to Combination of Crop , Monogastric Farm Animal and Fish Enterprises in Ohafia Agricultural Zone, Abia State, Nigeria. Global Journal of Science, Frontier Research, Agriculture and Veterinary Science, Vol 13No 3 pp22-32.
76. Igwe.K.C and C. E.Onyenweaku,(2013): Optimum Combination of Farm Enterprises Among Smallholder Farmers in Umuahia Agricultural Zone, Abia State, Nigeria, Journal of Biology, Agriculture and Healthcare,Vol 3, No 18, pp.127-137.
77. Nwachukwu,I. N, C.E Onyenweaku,J.C Nwaru, J.A Mbanasor and A. Daramola,(2014): Competitiveness of Export Demand for Nigerian Rubber. The Journal of Agricultural Sciences,Srilanka, Vol 9, No 1pp.1-11.
78. Okezie,C.R,and C.E. Onyenweaku(2013) Determinants of Agricultural Loan Repayment in Abia State, Nigeria.International Journal of Applied Research and Technology,2(11):15-19
.
79. U.J.Udo, C.E Onyenweaku, K.C Igwe and K.K. Salimonu (2015): Formulating Optimal Farm Plans with Child Farm Labour Reduction for Arable Crop Farmers in Akwa Ibom State, Nigeria: An Application of Linear Programming and T-MOTAD Models. Vol 7 No1: pp1-13
80..Osuji E ,Ukoha O, Nwaru J. and C, Onyenweaku (2017) Impact of Sustainable Soil Management Tecniques on Net Income of Arable Crop Farmers in Imo State, Nigeria: International Journal of Current Advanced Research, Vol. 17, No 3,pp.265-2703
81 Osuji E, Ukoha.O, Nwaru J and C. Onyenweaku (2017) Impact of Sustainable Soil Management Tecniques on Land Productivity of Arable Crop Farmers In Imo State, Nigeria: International Journal of Current Advanced Research, Vol. 17 No 3,pp.271-276.
. (iv) Referred and Published Conference Paper
1. Onyenweaku C.E (1981). “Valuation of Farm Assets; Fixed Assets and Livestock Depreciation Calculation”. In Proceeding of the First Training Workshop on Livestock data Collection, Processing, Analysis and Reporting F.D.A. Oct. 5-29, Department of Agric. Econs., University of Ibadan.
2. Onyenweaku C.E (1986). “A Component Analysis of the Growth of Agricultural Production in Nigeria, 1960-64 to 1974-79 In Nigeria Agricultural Outlook Okorie, A. and M. Ijere, eds. Pp.98-100 Proceedings of the Nigerian Association of Agricultural Economists, University of Nigeria, Nsukka, Nigeria.
3. Onyenweaku C.E. (1986). “Relative Efficiency of Small and Large Farms in Food Production in Nigeria”. In Proceedings of Allied Bank Workshop on Nigeria Agriculture. University of Ibadan, January 28-29.
4. Onyenweaku C.E. and N.O Ezeh (1987). “Trends in production Area and Productivity of Cocoyam in Nigeria, 1960/61 to 1983/84”. In Cocoyam in Nigeria: Production Storage, and Utilization Proceedings of the 1st National Workshop on Cocoyam. National Root Crop Research Institute, Umudike Umuahia, August 16-21. Pp. 94-100.
5. Onyenweaku C.E. (1988). “Food Forecasting and Early Warning System Socio-economic Considerations”. In Proceedings of the Imo State Agro-Statistics Sub-Committee Seminar on yearly Warning System and Food Forecasting. Concorde Hotel ,Owerri, October 5 ,pp.65-76.
6. Onyenweaku C.E. (1991), Improving Productivity of the Poultry Industry in Imo State”. In Proceeding of the National Conference on managing the Nigerian Economy in the 1990’s Anambra University of Technology, Enugu, Nigeria. 23-24 March. Pp.18-26.
7. Onyenweaku C.E. (1997) Land Tenure and Land Use Systems in South-Eastern Nigeria. In Proceedings of the Launching of EPHTA for the Degraded Humid Forest Zone of South Eastern Nigeria. Ikeorgu J.E.G. ed., NRCRI, Umudike, Pp.86-96.
8. Onyenweaku, C.E. (1998). Enabling Policy and Institutional Changes for Improving the Impact of Structural Adjustment Programme on Small Farm Production in Sub-Saharan Africa. In Proceedings of the International Workshop on Farming Systems Development, organized by FAO/IITA, International Institute for Tropical Agriculture, Ibadan, Nigeria Nov. pp.
9. Obasi P.C., C.E. Onyenweaku, C.C. Asiabaka and J.E. Njoku (2002). Household Food Security in Nigeria. Evidence from Owerri Agricultural Zone of Imo State in Proceedings of the 36th Annual Conference of Agricultural Society of Nigeria, F.U.T. Owerri Oct. 20-24, Pp.293-296.
10. Ohajianya D.O. and C.E. Onyenweaku (2002). Costs and Returns Analysis in rice Production by Gender in Ebonyi State, Nigeria. In Proceedings of the 36th Annual Conference of Agric, Society of Nigeria, F.U.T. Owerri, Oct. 20-24, Pp.335-338.
11. Onyenweaku C.E. and B. C. Okoye (2005): Trends in Output, Area and Productivity of
Cassava in Nigeria. In Proceedings of the 39th Annual Conference of Agricultural Society of Nigeria, University of Benin, October 9th – 13th, pp. 19 – 21.
12. Amaefula, A. and C.E Onyenweaku (2006) Economics of Fish Production in Delta
State, Nigeria.Proceedings of the 40th Conference of Agric. Society of Nigeria, Umudike, Abia State, Nigeria, pp. 171 – 174
13. Okoye, B. C,and C. E Onyenweaku ( 2006): Economics of Small-Holder Cocoyam
Production in Anambra State, Nigeria In Proceedings of the 40th Annual Conference of
Agric. Society of Nigeria NRCRI, Umudike, 16-20 October, pp. 82-84.
14. Igwe, K.C, C.. Onyenweaku and O.D Adiele (2008) Effect of HIV/AIDS on Farm Households in Abia State: A Need for Extension Policy in Nigeria. In Proceedings of the 13th Annual National Conference of the Agriciltural Extension Society of Nigeria. Pp. 88-92
15. Igwe, K.C, C.E Onyenweaku and S.C Nwabueze. (2008) Determinants of Credit Use
by Rural Women in Abia State, Nigeria. In Proceedings of the 42nd Annual Conference
of Agricultural Society of Nigeria, Ebonyi State University, Abakaliki, Nigeria,pp.1003-
1005
16. Nwachukwu I.N,N.M Agwu,C.E Onyenweaku and E.N Egeonu,(2009) Relative
Responsiveness of Demand for Tropical Root and Tuber Crops in Nigeria. Proceedings
of the 43rd Annual Conference of Agricultural Society of Nigeria,Abuja pp.413-416
17. Amaefula. A., C. E. Onyenweaku and G. N Asumugha (2009): Technical Efficiency of
Fish Farmers in Delta State, Nigeria. A Translog Stochastic Frontier Production
Function Approach. In Proceedings of the 43rd Annual Conference of Agric. Society of Nigeria, Abuja ( In Press)..
18. Okoye, B.C, C.E Onyenweaku and O.O Ukoha (2010). Selling at the Farm-gate or Market by Small-Holder Cassava Farmers in South Eastern Nigeria. Proceedings of the 44th Annual Conference of Agricultural Society of Nigeria ( In Press).
Costs on Seller Decisions Among Small-Holder Cassava Farmers in South-Eastern Nigeria
.
19. Okoye, B.C, C. E Onyenweaku and O.O.Ukoha (2010) The Effect of Transaction Proceedings of the National Association of Agricultural Economists ( In Press)).
20. Okoye, B.C., Asumugha, G.N., Chukwu, G.O., Ukoha, O.O and Onyenweaku, C.E (2009). Price Competitiveness and Supply Response of Cocoyam Producers in Nigeria: Implications for Agricultural Trade. Annual Report NRCRI Umudike.
21. Okoye, B.C,C.E Onyenweaku,O.O.Ukoha, G.N Asumugha and K.I Nwosu (2012). Policy Options for Promoting Off Farm Market Participation Mitigated by Transaction Costs Among Smallholder Cassava Producers in South Eastern Nigeria. In Tropical Roots and Tuber Crops and the Challenges of Globalization and Climate Changes, Okechukwu, R. U and P. Ntawuruhunga (eds),pp 54-60
(v) Technical Reports
1. Onyenweaku C.E. and O. Ogunfowora (1982). Meeting Nutritional Needs of Consumers at the Least Cost; Application of Linear Programming. Technical Report No. AER 82.2 Dept. of Agric. Econs. University of Ibadan, Nigeria.
2. Ojowo O., C.E. Onyenweaku (1993). Export Expansion for Selected Products, UNDP’s Commissioned Project for Strengthening the External Trade Sector of Nigeria. UNDP, Lagos July 5-Sept.4.
3. Okoli O., C.E. Onyenweaku & J.E. Ikeorgu (1994). National Agricultural Research Strategy Plan for Nigeria. Report on South-zone of Nigeria. A Study Commissioned by National Agricultural Research Project. Department of Agricultural Sciences, Federal Ministry of Agriculture and Natural Resources, Ibadan Nigeria, 316p.
4. Ikeorgu, J. E, S. Odurukwe, C.E. Onyenweaku and A.O. Ano (1997). Baseline Report on the Degraded Humid Forest Zone of South Eastern Nigeria. Report Prepared for Eco-regional Programme for Humid and Sub-humid Tropics of Sub-Saharan Africa (EPHTA) IITA, Ibadan 53p.
5. Ikeorgu J.E., C.E Onyenweaku & S.O. Odurukwe (2000). “A Characterization Survey of the Benchmark Area of the Degraded Humid Forest Zone of South Eastern Nigeria”. A Study Commissioned by Eco-regional Programme for the Humid and Sub Humid Tropics of Sub-Saharan Africa (EPHTA), IITA, Ibadan.
6. Onyenweaku C.E., A.A. Mere, M.C. Ofoh & U. Uwa, (2002). “A Social Assessment of Imo State. A Study Conducted by Kuzics Nigeria Ltd, for the Micro-Watershed and Environmental management Programme (MEMP), Federal Ministry of Environment, Abuja.
(vi) Unpublished Conference Papers
1. Onyenweaku C.E. (1981). “Financing Agriculture in Nigeria, Problems and Prospects”, An Invited Paper Presented at the First Bank of Nigeria Ltd. Workshop on Nigeria Agriculture. First Bank Nigeria, Lagos.
2. Onyenweaku C.E (1983). “The Need for and Problems of Farm Business Assessment”. Paper Presented at the First Training Workshop on Agric. Field Data Collection, Processing and Analysis, Dept. of Agric. Economics, University of Ibadan August- Sept.
3. Onyenweaku C.E. (1983). “Linear Programming: Definition and Concepts”. Paper Presented at the Training Workshop on Field Data Collection Processing and Analysis Department of Agric. Economics, University of Ibadan.
4. Onyenweaku C.E. (1985). “Agricultural Projects Appraisals from the Point of View of Commercial Economic and Social Implication”. An Invited Paper Presented at the Implant Course for Professional Officers. Nigerian Agric. and Co-operative Bank Limited, Owerri, August 5-9.
5. Onyenweaku C.E (1986). “Causes of Loan Defaults: The Role of External Factors Project Management and Client”. An Invited Paper Presented at NACB Seminar on Loan Default Management. Concorde Hotel, Owerri, November 17-21.
6. Onyenweaku C.E. (1987). “Relative Contribution of Different Factors to the Growth of Productivity and Output of Food Crops in Nigeria”. Paper Presented at the Seminar on Food Production Distribution and Processing, at Concorde Hotel, Owerri, April 15-16.
7. Onyenweaku C.E. (1988). “Essential Considerations in Assessing the Profitability of Livestock Enterprises’. An Invited Paper Presented at the 4th National Agric. Finance and Credit Administration Workshop. C.R.D.C. University of Nigeria, Nsukka Sept. 4-6.
8. Onyenweaku C.E. (1988). “Identification of Opportunities in Agro-Based Industrial Development in Nigera”. An Invited Paper Presented at the Seminar on Agro-based Industrialization. Administrative Staff College (ASCON). Topo Badagry, 17th July-6th August.
9. Onyenweaku C.E. (1989). Rural Development through Savings Mobilization Among Rural Households in Owerri. Paper presented at the 25th Annual Conference of Nigeria Agric. Society, Federal University of Technology, Owerri, September 3-6.
10. Onyenweaku C.E. (1989) The Determinants of the Adoption of the Yam Minisett Technique in Owerri Zone. Paper Presented at the 25th Annual Conference of Nigerian Agric. Society. Federal University of Technology, Owerri, Sept. 5-6.
11. Onyenweaku C.E. and E.N. Madu (1991). Perennial Crops Supply Response: The Case of Nigerian Cocoa. Paper Presented at the 1st International Conference on Tree Crops. M.A.N.R. Imo State, Concorde Hotel, Owerri 4-9 March.
12. Onyenweaku C.E. (1992). “Economic and Social Strategies for the Transformation of Rural Poverty in Nigeria.” An Invited Paper Presented at the 2nd National Seminar on Productivity. Umuahia Abia State.
13. Onyenweaku C.E. (1992). Agro-based Industrialization in Nigeria: Problems and Prospect: An Invited Paper presented at Nigeria Association of Economists Annual Conference Imo State Branch, Concorde Hotel, Owerri.
14. Onyenweaku C.E., M.U. Iloeje and L.G. Emebiri (1992). Integrating Snail and Fish Farming with Crop and Livestock for Increased Profit in a Small Holder Scheme. An Invited Paper Presented at FACU National Workshop on the Integrating of Livestock, Fisheries and Agro Forestry into Crop-Based Farming System. Pinewood Hotel Owerri, Nov. 3-6.
15. Onyenweaku C.E. (1993). “Demand and Supply Projections in Agricultural Planning.” An Invited Paper Presented at the National Training Workshop for Agricultural Planners Organised by the Federal Ministry of Agriculture and the World Bank, Green Springs Hotel Ibadan, June 23- July 10.
16. Onyenweaku C.E. and P. C. Obasi (1993). “The Role of Youths in the Economic and Technological Development of Abia State vis-à-vis Abia Technology Village”.An Invited paper presented at the First State Annual Youth Conference. Umuahia Campus of Abia State University, Sept. 28-29.
17. Onyenweaku C.E. 9(1994). Management of Human Resources for Increased Productivity. An Invited paper Presented at the Seminar on Management of Human Resources for Increased Producitivity: Delta State House of Assembly, Asaba, August 19.
18. Onyenweaku C.E., O. Okoli, J.E. Ikeorgu & J.E. Alfred Ockiya (1995). The Fisheries Sub-sector in South-East Zone of Nigeria. Paper Presented at the national Workshop on Agricultural Research Strategy Plan Formulation of Research Programmes for Fisheries sub-sector, NIOMR, Lagos 11-13 April.
19. Ikeorgu J.E.G., O.O. Okoli & Onyenweaku C.E. (1995). Arable Crops Including Horticultural Crops Sub-sector in the South-East Zone of Nigeria. Paper Presented at the National Workshop on Agriculture Research Strategy Plan Formulation in Arable Crop Sub-sector, NCRI, Minna 19-27 April.
20. Onyenweaku C.E., O. Okoli & J.E. Ikeorgu (1995). The Forestry and Tree Crops Sub-sector in South-Eastern Zone of Nigeria. Paper Presented at the National Workshop on Agric. Research Strategy Plan Formulation for the Forestry & Tree Crop Sub-sector. FRIN, Ibadan. May 16-19.
21. Okoli O., Onyenweaku C.E. & J.E. Ikeorgu (1995). The Livestock Sector in South-Eastern Zone of Nigeria. Paper Presented at the National Workshop on Agric. Research Strategy Plan Formulation for the Livestock Sector, Zaria.
22. Onyenweaku C.E. (1995). “Budgetary Irregularities in the Public-sector and Suggested Remedies. An invited Paper Presented at the Seminar on Budgetary Irregularities and Financial Indiscipline Federal College of Education. (Technical), Asaba, Delta State, Nov. 14-16.
23. Onyenweaku C.E. (1991): Economics of Irrigation in Crop Production in Nigeria: A Review of Methodology. Presented at the African Rural Social Sciences Research Networks (ARSSRN) Research Methodology Workshop Abidjan, Ivory Coast, Winrock International 1991:
24. Onyenweaku C.E. (1994): Impact of Technological Change on Output Income, Employment and Factor Shares in Rice Production in Nigeria: A Review of Methodology. Paper Presented at the African Rural Social Sciences Research Networks (ARSSRN), Research Methodology Workshop, Harare, Zimbabwe, 1994.
25. Onyenweaku C.E. (2000). Policy Issues and Strategies for Agricultural Production in Nigeria. An Invited Paper Presented at the National Workshop on Sustainable Agriculture and Rural Development, National Root Crop Research Institute, Umudike, May 22-26.
26. Onyenweaku C.E. (2002). Social Assessment Study Review meeting: Clarification and Additional Information for Imo State. An Invited Paper Presented at the Social Assessment Study Review Meeting Held at FORMECU, Abuja on a Study on Social Assessment of Imo state conducted by Kuzics Nigeria Ltd. May 2-4.
27. Onyenweaku C.E. (2002). Sustainable Development Financing in a Deregulated Economy: Available Options. A Lead Paper Presented at the CBN Development Finance Department’s 20th Biennial Conference, Metropolitan Hotel, Calabar Nov. 4-5.
28. Onyenweaku C.E., A.C. Nwosu, O.O. Ukoha and J.A. Mbanasor (2003). Baseline Economic Survey of Small and Medium Scale Enterprises in South Eastern Nigeria. Paper Presented at the CBN Seminar on Baseline Economic Survey of SMES in Nigeria. CBN, Garki Abuja, Sept. 3-5.
29. Onyenweaku C.E. (2004). Overview of Rural Development in Abia State: Constraints to Development, The Way Forward and a Sustainability Question. Key Note Address Presented at the FGN/EC MPP6 and Government of Abia State Forum on MPP6 in Improving Living Standards of Poor Settlements of Niger Delta, Michael Okpara Auditorium, Umuahia, 22-23 April.
30. Onyenweaku C.E. (2005): The Role of Agro-based Industries in Nigeria Economic Development. An Invited paper Presented at the National Annual Conference of Nigeria Association of Economists, La Paix Hotel, Aba, Abia State Aug. 16 – 19.
31. Onyenweaku C.E (2005), Continuous Assessment in Tertiary Institutions in Nigeria.” An Invited Paper Presented at the Workshop on Computation of Results and Examination Culture, Michael Okpara University of Agriculture, Umudike, Aug. 5-6.
32. Onyenweaku, C.E. (2006). Procedures for Processing Research Grant Applications, Communicating Approved Grant and Disbursing Approved Funds. Invited Paper presented at the Workshop on Research Policy and Plan, Michael Okpara University of Agriculture, Umudike, July 5
33. Onyenweaku C.E (2008) Writing of Research Proposals: Formats and Techniques An
Invited Paper Presented at the Workshop on Writing of Research Proposals, Michael
Okpara University of Agriculture, Umudike, April 2
.
36. Onyenweaku, C.E (2009) African Universities: Linkages with the Productive Sector. An Invited Paper Presented at the 2009 African University Day Celebration By the Association of African Universities (AAU), Michael Okpara University of Agriculture, Umudike ,Abia State, Nigeria, Dec. 1 2009
.
37. Onyenweaku,C.E (2015) Policies / Strategies for Increasing the Productivity of Roots and Tuber Crops in Nigeria. A Keynote Address Presented at the Annual Review and Research Planning Workshop of National Root Crops Research Institute,Umudike, 21st April 2015.
38 Onyenweaku C. E (2017) How to Write a Research Proposal: An Invited Paper Presented
At the Maden Lecture Series on Research and Writing Research Proposals for Staff of the
Department of Agricultural Economics, Michael okpara University of Agriculture,Umudike.
PROFESSOR C.E. ONYENWEAKU, (F.I.I.A, Fnaae)