Dr. Job Nda Nmadu
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Dr. Job Nda Nmadu

Nigerian Association of Agricultural Economists/Dean
School of Agriculture and Agricultural Technology/Federal University of Technology, Minna, Nigeria

Highest Degree
Ph.D. in Agricultural Economics from Ahmadu Bello University, Zaria, Nigeria

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Biography

Job Nmadu, Professor of Agricultural Economics, whose research experience is over three decades was made full Professor in 2013 and has authored over 100 research materials with over 100 research team and collaborators. He was Head of Department (2008-2012), Director (2018-2021) and Dean (2021-2023). He is Fellow and President (2017-2023) of Nigerian Association of Agricultural Economists.

Area of Interest:

Economics
100%
Agricultural Economics
62%
Econometric Modeling
90%
Data Science
75%
Climate Change
55%

Research Publications in Numbers

Books
4
Chapters
0
Articles
63
Abstracts
61

Selected Publications

  1. Sallawu, H., J.N. Nmadu, A.A.A. Coker and U.S. Mohammed, 2022. Dynamic relationship between vulnerability to climate change, livelihood diversification, perception on climate change and income of the farmers in North Central Nigeria. Asian Res. J. Agric., 15: 1-8.
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  2. Sallawu, H., F.A. Olabiyi, D. Alabi, J. Patrick, J.F. Martins and J. Nmadu, 2022. Drivers and barriers of women participation in agricultural activities in Nigeria. Pesq. Agrop. Gaúcha., 28: 156-173.
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  3. Aguwa, I., A.S. Gana, M.T. Salaudeen, K.D. Tolorunse and J.N. Nmadu, 2022. Effect of different concentrations of plant growth hormones on callus induction and regeneration of Shea tree (Vitellaria paradoxa). Afr. J. Biotechnol., 21: 334-341.
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  4. Sallawu, H., J.N. Nmadu, A.A.A. Coker and U.S. Mohammed, 2020. Factor path of constraints to adaptive capacity on climate change among IFAD-VCDP farmers in North Central Nigeria. Int. J. Environ. Clim. Change, 10: 13-33.
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  5. Sallawu, H., E. Oha, C. Barnabas, K.L. Oyebisi and S.O. Oyelami et al., 2020. levels and drivers of vulnerability to climate change by IFAD-VDP farmers in north central Nigeria. Niger. J. Agric. Econ., 10: 75-91.
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  6. Larbi, I., J.N. Nmadu, A.S. Gana and A. Okhimamhe, 2019. Analysis of food crops farmers’ choice of climate change adaptation strategies in Kwara state, Nigeria. Kasetsart J. Social Sci., 40: 434-439.
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  7. Yisa, E.S., J.N. Nmadu, L. Tanko and E.K. Tsado, 2018. Comparative analysis of the profitability of maize and sorghum based cropping enterprises in Niger state, Nigeria. Niger. J. Agric. Econ., 8: 81-88.
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  8. Jirgi, A.J., J.N. Nmadu, H. Jordaan, B. Gróve and M.F. Viljoen, 2018. Cost efficiency of sorghum/cowpea intercropping system in Kebbi state, Nigeria. Niger. J. Agric. Econ., 8: 101-108.
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  9. Sallawu, H., L. Tanko, J.N. Nmadu and A.M. Ndanitsa, 2016. Determinants of income diversification among farm households in Niger State, Nigeria. Russian J. Agric. Socio-Econ. Sci., 2: 55-65.
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  10. Sallawu, H., L. Tanko, J.N. Nmadu and A.A.A. Coker, 2016. Poverty status of farm households in selected local government areas of Niger state, Nigeria. Asian J. Agric. Extension Econ. Sociol., 11: 1-8.
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  11. Nmadu, J.N., J. Wilhelm, E. Oha and H. Sallawu, 2016. Adaptive capacity of rural women: potential for participating in poverty alleviation programmes in Niger state, Nigeria. Nig. Agric. Policy Res. J., 2: 93-114.
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  12. Larbi, I., A.S. Gana, J.N. Nmadu, A.A. Okhimamhe and G.H.M. Bello, 2016. Evaluation of root and tuber crops yield under the changing climatic conditions in Kwara state, Nigeria. Asian J. Econ. Bus. Account., 1: 1-9.
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  13. Jirgi, A.J., H. Jordaan, B. Grove, M.F. Viljoen and J.N. Nmadu, 2016. Risk attitude of monocrop and intercrop farmers in Kebbi state, Nigeria. J. Econ. Sustainable Dev., 7: 140-149.
  14. Nmadu, J.N., H. Sallawu and B.V. Omojeso, 2015. Socio-economic factors affecting adoption of innovations by cocoa farmers in Ondo State, Nigeria. Eur. J. Bus. Econ. Accountancy, 3: 58-66.
  15. Nmadu, J.N., E.S. Yisa, J.O. Simpa and H. Sallawu, 2015. Poverty reduction in Nigeria: lessons from small scale farmers of Niger and Kogi states. Br. J. Econ. Manage. Trade, 5: 124-134.
  16. Nmadu, J.N., A.T. Jacob and K.M. Baba, 2015. Growth rate and doubling time of yam and cassava production in Nigeria. Russian J. Agric. Socio-Econ., 12: 43-48.
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  17. Nmadu, J.N. and J.C. Nwawulu, 2015. Impact of HIV/AIDS prevalence on rural farm households in Niger State, Nigeria. Eur. J. Bus. Econ. Accountancy, 3: 62-72.
  18. Jirgi, A.J., H. Jordaan, B. Grove, M.F. Viljoen and J.N. Nmadu, 2015. Technical efficiency of millet/cowpea farmers in kebbi state nigeria: a double bootstrapping approach. Br. J. Econ. Manage. Trade, 5: 366-373.
  19. Jirgi, A.J., H. Jordaan, B. Grove, M.F. Viljoen and J.N. Nmadu, 2015. Sources of risk and management strategies as perceived by monocrop and intercrop farmers in Kebbi state, Nigeria. Asian J. Agric. Extension Econ. Sociol., 6: 34-44.
  20. Umar, I.S., R.S. Olaleye, B.O. Adeniji and J.N. Nmadu, 2014. Assessment of farmer's willingness to pay for demand-driven extension services in Niger state, Nigeria. Int. J. Phys. Soc. Sci., 4: 374-384.
  21. Simpa, J.O., J.N. Nmadu and A. Okino, 2014. Technical efficiency of smallholder cassava farmers in selected local government areas in Kogi state, Nigeria. Prod. Agric. Technol., 10: 74-92.
  22. Simpa, J.O. and J.N. Nmadu, 2014. Profitability of small-scale yam farms in Kogi state, Nigeria. J. Appl. Agric. Res., 6: 95-105.
  23. Nmadu, J.N., I.O. Ogidan and R.A. Omolehin, 2014. Profitability and resource use efficiency of poultry egg production in Abuja, Nigeria. Kasetsart J. Soc. Sci., 35: 134-146.
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  24. Nmadu, J.N., B.N. Abdulrahman and K.M. Baba, 2014. Micro-credit requirement, acquisition and repayment by vegetable farmers in Niger state, Nigeria. Int. J. Trends Econ. Manage. Technol., 2: 34-39.
  25. Nmadu, J.N. and S.A. Garba, 2014. Profit efficiency of smallholder spinach producers under irrigated agriculture in Niger state, Nigeria. Int. J. Trends Econ. Manage. Technol., 2: 14-19.
  26. Nmadu J.N., W.O. Inalegwu and H. Sallawu, 2014. Acquisition and management of land resources for agricultural production in Benue state, Nigeria. Asian J. Agric. Extension Econ. Sociology, 3: 63-75.
  27. Jirgi, A.J., B. Grove, H. Jordaan, M.F. Viljoen and J.N. Nmadu, 2014. Estimating technical efficiency and the metatechnology ratio using the metafrontier approach for cropping systems in Kebbi state, Nigeria. Int. J. Dev. Sustainability, 3: 1538-1548.
  28. Ayinde, O.E, G.B. Olatunji, M.O. Adewumi, J.N. Nmadu and K. Egbugo, 2014. Review of marketing board policy: comparative analysis of cocoa pricing eras in Nigeria. Niger. J. Agric. Econ., 4: 68-79.
  29. Onu, J.O., J.N. Nmadu and L. Tanko, 2013. Determinants of awareness of credit procurement procedures and farmers income in minna metropolis, Nigeria. Niger. J. Agric. Econ.. 4: 1-11.
  30. Ojo, M.A., J.N. Nmadu, L.Tanko and R.S. Olaleye, 2013. Multinomial logit analysis of factors affecting the choice of enterprise among small-holder yam and cassava farmers in Niger state, Nigeria. J. Agric. Sci., 4: 7-12.
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  31. Ojo, M.A., J.N. Nmadu, L. Tanko and R.S. Olaleye, 2013. Farm size and scale efficiency of small holder tuber crop farmers in north central, Nigeria. Int. J. Phys. Soc. Sci., 3: 260-270.
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  32. Nmadu, J.N., M.A. Ojo and F.D. Ibrahim, 2013. Prospects of sugar production and imports: meeting the sugar demand of Nigeria by year 2020. Russ. J. Agric. Socio-Econ. Sci., 2: 15-25.
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  33. Nmadu, J.N., F.A. Aiyelitsoya and H. Sallawu, 2013. Use of ICT in securing marketing information among small scale farmers in Niger state, Nigeria. Int. J. Trade Econ. Finance, 4: 66-72.
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  34. Nmadu, J.N. and P.L. Marcus, 2013. Efficiency of ginger production in selected local government areas of Kaduna state, Nigeria. Int. J. Food Agric. Econ., 1: 39-52.
  35. Ibrahim, F.D., J.N., Nmadu, K.M. Baba, A.S. Gana, N. Danbaba and P.A. Ibrahim, 2013. Demand analysis for consumer preference of cowpea attributes in Niger state, Nigeria: A hedonic approach. IOSR J. Agric. Vet. Sci., 5: 67-72.
  36. Ajah, J. and J.N. Nmadu, 2013. Farmers perception of problems influencing maize storage in Abuja, Nigeria. J. Appl. Agric. Res., 5: 89-94.
  37. Nmadu, J.N., R.C. Iwuajoku and E.Z. Jiya, 2012. Commercialisation level of poultry production in minna metropolis, Niger state, Nigeria. Asian J. Agric. Extension Econ. Sociol., 1: 1-15.
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  38. Nmadu, J.N., G.P. Eze and A.J. Jirgi, 2012. Determinants of risk status of small scale farmers in Niger state, Nigeria. Br. J. Econ. Manage. Trade, 2: 92-108.
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  39. Ajah, J. and J.N. Nmadu, 2012. Socio-economic factors influencing the output of small-scale maize farmers in Abuja, Nigeria. Kasetsart J. (Soc. Sci.), 33: 333-341.
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  40. Ajah, J. and J.N. Nmadu, 2012. Small-scale maize farmers' access to farm inputs in Abuja, Nigeria. Kasetsart J. (Soc. Sci.), 33: 499-505.
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  41. Nmadu, J.N., 2010. Revision of the Nerlovian partial adjustment framework and its application to sorghum production in Nigeria. Afr. J. Agric. Res., 5: 325-331.
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  42. Nmadu, J.N., E.S. Yisa and U.S. Mohammed, 2009. Spline functions: Assessing their forecasting consistency with changes in the type of model and choice of joint points. Trends Agric. Econ., 2: 17-27.
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  43. Nmadu, J.N., 2009. Effect of changes in some macro-economic policies on sorghum economy in Nigeria between 1961 and 2005. J. Soc. Sci., 20: 163-168.
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  44. Nmadu, J.N. and T.T Amos, 2009. Effect of fertilizer consumption in Nigeria and rate of naira exchange to the US dollar on sorghum acreage between 1960 and 2006. J. Hum. Ecol., 26: 41-45.
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  45. Nmadu, J.N., J.O. Olukosi, T.T. Amos and R.S. Musa, 2004. Forecasting sorghum acreage in Nigeria using grafted response analysis. J. Arid Agric., 14: 15-21.
  46. Amos, T.T., D.O. Chikwendu and J.N. Nmadu, 2004. Productivity, technical efficiency and cropping patterns in the Savanna zone of Nigeria. Int. J. Food Agric. Environ., 2: 173-176.
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  47. Amos, T.T. and J.N. Nmadu, 2004. Effect of land markets on land ownership in peri-urban Nigeria. Eastern Afr. J. Rural Dev., 20: 136-141.
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  48. Onuoha, S.A., O. Akoma and J.N. Nmadu, 2003. Guides to writing acceptable articles for publication in learned journals. Polymath J., 4: 4-5.
  49. Nmadu, J.N., M.O. Fesojaiye and A.O. Alade, 2003. Indigenous computer programs for statistical analysis: Analysis of variance. Landzun J. Eng. Appropriate Technol., 1: 90-94.
  50. Nmadu, J.N., J.O. Olukosi, R.S. Musa and J. Agada, 2003. Acreage response to price: A case of sorghum production in Nigeria under the modified nerlovian adaptive expectation framework. J. AgriC. Biotechnol. Environ., 3: 25-34.
  51. Nmadu, J.N., A.O. Alade and M.O. Fesojaiye, 2003. Indigenous computer programs for statistical analysis: T-test and chi-square. Landzun J. Eng. Appropriate Technol., 1: 95-97.
  52. Nmadu, J.N., 2003. Sorghum economy in Nigeria: An empirical analysis of supply and pricing mechanisms as a basis for enhancing its Bio-resources. J. Sustainable Trop. Agric. Res., 9: 49-54.
  53. Nmadu, J.N., T.T. Amos, A.O. Alade and M.O. Fesojaiye, 2002. Computer program for evaluating farming enterprises performance. Nig. J. Res. Prod., 1: 97-107.
  54. Nmadu, J.N. and T.T. Amos, 2002. Comparison of grafted ex-ante forecast estimates and computed values of sorghum yield; acreage and output in Nigeria. J. Sustainable Trop. Agric. Res., 5: 40-44.
  55. Nmadu, J.N., T.T. Amos, R.S. Musa and J. Agada, 2001. An analysis of the types and sources of information used by farm managers in Bida area of Niger State, Nigeria. Polymath J., 2: 37-42.
  56. Nmadu, J.N. and D.O.A. Phillip, 2001. Forecasting the yield of sorghum in Nigeria using alternative forecasting models. Nig. Agric. J., 32: 52-64.
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  57. Nmadu, J.N., 2000. Modelling sorghum supply and pricing: Choosing an appropriate modelling mechanism. Nig. J. Rural Econ. Soc., 2: 1-6.
  58. Nmadu, J.N., 2000. Computer program for solving linear programming in farm planning analysis. Polymath J., 1: 33-40.
  59. Nmadu, J.N., 1999. The challenge of agricultural financing in Nigeria: A case for community banking system. Nig. J. Agric. Extension, 12: 17-25.
  60. Nmadu, J.N., 1998. Factors affecting variation in farm size among small scale farmers in the Niger Inland Area of Niger State, Nigeria. Land, 2: 173-180.
  61. Nmadu, J.N., 1998. Computer Appreciation and Operation. Bida in conjunction with Akan Communications, Bida, ISBN: 978-32573-7-4.