References
Adamu, D. A., Adamu, B. A. Orimafo, P. K. Ohaeri, V. C., Babatunde, O., Kazeem, A. A. and Oyewopo, A. O. (2025). Socio-economic factors influencing post-harvest loss among yam traders in Niger State, Nigeria. International Journal of Agricultural and Applied Sciences, 6 (1): 24-29. Adejo, S. A., Amos, T. T. and Awolala, D. O. (2024). Determinants of vulnerability to climate change among yam farmers in Benue and Nasarawa States, Nigeria. International Journal of Research and Scientific Innovation, 11 (7): 230-242. Adekunle, I. A. and Aregboshola, A. R. (2025). Evaluating the agricultural policy productivity gap in Nigeria. A Markov-switching analysis. Future Business Journal, 11 (40): 1-9. Adeleke, A. O. and Rasak, A. O. (2025). The impact transportation cost on the price of agricultural commodities in Delta and Rivers State, Nigeria. International Journal of Research and Innovation in Social Science, 4698-4709. Adetola Adebayo, M., Nwakado, F. O., Alabuya, F. O., Oyediji, B. I. and Sennuga, S. O. (2025). Analysis of profitability resource use efficiency in yam farming in Kwali Area Council of Abuja, Nigeria. Global Academic Journal of Agriculture and Biosciences, 7 (6): 100-111. Aighewi, B.A., Kumar, P. L., Aihebhoria, D., Amah, D., Maroya, N. G., Asiedu, R., Blogun, M. and Mignouna, D. (2025). Rapid propagation of yam using leaf-bud cuttings: A Manual International Institute of Tropical Agriculture, 55. Akankpo, U. E. (2024). Traditional culture of the Ibibio. A chronicle of the Ikpe new yam festival. African Journal of Culture, History, Religion and Traditions, 7 (3). 57-65. Akerele, E. O. Yusuf, M. O., Solana, O. I., Olugbemi, M. T. and Yangomodou, O. D. (2019). Performance Analysis of Yam Marketing in Yewa Division of Ogun State, Nigeria International Journal of Innovative Food, Nutrition and Sustainable Agriculture, 7(4):10- 21. Akintunde, M. O., Daniel, G. N. and Musa, S. O. (2022). Economics of yam production and marketing in Taraba State, Nigeria. Journal of Agripreneurship and Sustainable Development , 5 (1): 213-214. Akintunde, M.O. (2019). Economic Analysis of Moringa Oleiferan Value Chain in Northern Taraba State, Nigeria. Unpublished Ph.D. Thesis Department of Agricultural Economics and Extension School of Agriculture and Agricultural Technology, Modibbo Adanawa University of Technology, Yola, Adamawa State Nigeria, 45. Akura, D. and Onov, P. (2024). Profitability analysis of yam marketers in Benue State, Nigeria. Journal of Economic and Social Research, 10 (1): 1-10. Akura, D. and Onov. P. (2022). Profitability Analysis of yam marketers in Benue State, Nigeria. Journal of Economic and Social Research , 10 (1), 2-39. Akura, D., Ashiko, F. G. T., Atagher, M. M. and Iheanacho, A. C. (2023). Economic analysis of the structure and conduct of yam marketing in Benus State, Nigeria. Jalingo Journal of Social and Management Sciences, 4 (4): 1-12. Anchovur, T. T., Ochi, S. O., Utegi, S. I. and Ortyom J. O. (2024). Effect militia activities on yam production among rural farmers in Ukum Local Government Area of Benue State, Nigeria. Gusau Journal of Sociology, 4 (2): 61-67. Anugwo, S. C. and Egwue, O.L. (2024). Analysis of Factors Determining Yam Production in Ikole-Ekiti Local Government Area of Ekiti State, Nigeria. Journal of Agriculture and Food Science, 12 (2): 196-200. Ariyo, O. C., Usman, M. B., Olorukooba, M. M., Olagunju, O. E., Oni, O. B., Suleiman, R, Adetunji, A. J. and Ariyo, M. O. (2020). Economics of yam production in Gboyin Local Government Area of Ekiti State, Nigeria. Journal of Experimental Agriculture International, 42 (4): 99-110. Bartholomew, B., Laah, D. and Makarau, S. B. (2025). Factors influencing food security among small-holder yam farmers in Kaduna State, Nigeria. Journal of Agricultural Economics, Extension and Science, 11 (2): 115-129. Ben-Chendo, G. N., Lawal, N., & Osuji, M. N. (2017). Cost and returns of paddy rice production in Kaduna State. European Journal of Agriculture and forestry Research, 5(3), 41-48. Confidence Kalu, Ikenna Nnabue, Alex Edemodu, Paterne A. Agre, Patrick Adebola, Asrat Asfaw and Jude Ejikeme Obidiegwu (2023). Farmers perspective toward a demand led yam breeding in Nigeria. Journal of Frontiers in Sustainable Food Systems, 7, 1227920. Daniel, G. N. & Akintunde, M. O. (2022). Costs and Returns of Yam Production in Southern Taraba State. Nigeria. Journal of Agripreneurship and Sustainable Development, 5, Egbeadumah, M. O., Edojah, P. E., Egbeadumah, E. I., Istifanus, T. K. and Abushe, P.O. (2025). Post-harvest losses and their economic impact on yam farmers income systems in Wukari Local Government Area of Taraba State, Nigeria. Journal of Agriculture, Forestry and Fisheries, 22 (2): 1-8. Ema, E. S., Obidiegwu, J. E., Chilaka, C. A. and Akpabio, E. M. (2023). Indigenous food yam cultivation and livelihood practices in Cross Rivers State, Nigeria. World, 4 (2): 314-332. Emmanuel, E. B. (2017). Constraints and Prospects of Yam Production in Nigeria. European Journal of Physical and Agricultural Sciences, 3, (1); 15-21. Eze, C. C., Ibekwe, U. C. and Ohajianya, D. O. (2022). Socio-economic importance and marketing of yam in Southern Nigeria. International Journal of Agricultural Research, Innovation and Technology, 12 (1): 56- 73. Eze, P., Balsells, E., Kyaw, M. H., & Nair, H. (2017). Risk factors for Clostridium difficile infections–an overview of the evidence base and challenges in data synthesis. Journal of global health, 7(1): 1-13. FAO (2019) Food and Agriculture Organisation of the United Nations. On-line and multilingual database. Available at: http://faostat.fao,org/ (accessed 10 January 2020). FAOSTAT (2021). Food and Agriculture Organisation of the United Nations. FAOSTAT Statistical Database Rome. Available at htpps://.fao.org/faostat/en/# compared. Hamidu, K., Joseph, M., Tidy, A. S. and Mohammed, R. (2025). Analysis of the marketing margin of yam marketers in Gombo Metropolis, Nigeria. Journal of Agripreneurship and Sustainable Development, 8 (1): 1-8. Hussein, E., Daoud, S., Alrabaiah, H., & Badawi, R. (2020). Exploring undergraduate students’ attitudes towards emergency online learning during COVID-19: A case from the UAE. Children and youth services review, 119, 105699. Ibrahim Yinka Agbeyinka (2025). Marketing risk practices and financial performance of SMEs Agriculture value chain in Ogun State, Niger State. International Journal of Applied Research in Business and Management, 6 (2): 1-21. Ikenna Ukpabi Unya (2021). The transformation and significance of the new yam festival in contemporary Igbo Society of Nigeria, 18 (3): 1-12. Iroegbute, U. K., Jabil, I. Y., Hahidu, K. and Biye, S. U. (2024). Analysis of yam prices in the urban and rural markets in the western Agricultural Zone of Nasarawa State, Nigeria. Journal of Agricultural Economics, Environment and Social Sciences , 10 (2): 1- 11. Kassali, R., Girei, A. A. and Sanu, I. D. (2018). Analysis of yam marketing in Akoko Local Government Area of Ondo State, Nigeria. International Journal of Agricultural Marketing 4 (2): 170-177. Kotur, L. N., Aye, G. C. and Ayoola, J. B. (2024). Asymmetric effects of economic policy uncertainty in food security in Nigeria. Journal of risk and financial management,17 (3): 114. Mignouna, D. B., Akinola, A. A., Abdoulaye, T., Alene, A. D., Manyong, V. M., Aighewi, B., Kumar, L. P., Balogun, M., Lopez Montes, A. and Rees, D. (2020).Potentialreturns of yam research investment in Sub-Saharan Africa and beyong. Outlook on Agriculture, 49 (3): 215-224. Motunrayo Adetola Adebayo, Favour Oblageri Nwakodo, Funso Omalayo Alabuja, Beatrice Itoya Oyediji and Samson Olayemi Sennuga (2025). Analysis of profitability and resource use efficiency in yam farming in Kwali Area Council in Abuja, Nigeria. Global Academic Journal of Agriculture and Bio Sciences, 7 (6):1-12. Nagase, D., Akura, J., Omatsu, Y., & Inoue, Y. (2022). Intraoperative measurement of crystalline lens diameter in living humans. Yonago Acta Medica, 65(1), 53-62. Nweke, F., Okonkwo, C. and Ogar, E. (2023). Indigenous food yam cultivation and likelihood practices in Cross Rivers State, Nigeria. Sustainability and Food Systems Journal, 4 (2): 1-15. Obida, A., Awe, E. O., Olawore, O. P. and Ibrahim, A. (2025). Profitability analysis of yam marketing in the Federal Capital Territory, Abuja. International Journal of Scientific Research in Social and Management Sciences, 1 (4): 11-22. Ogaji, A., Oseghale, A. I. Yisa, F,Samuel,Y., Jimoh, K. K. and Abubakar, A. (2022). Analysis of Yam Value in Paikoro Local Government Area of Niger State, Nigeria. African Journal of Agriculture and Allied Sciences, 2(1): 217-232. Olatunyi, S. O., Adejumo, A. O. and Adebayo, K. (2023). Yam value chain development and livelihood outcomes among small-holder farmers in Nigeria. African Journal of Food, Agriculture, Nutrition and Development, 23 (4): 22810-22825. Olukosi, O. A., van Kuijk, S., & Han, Y. (2017). Copper and zinc sources and levels of zinc inclusion influence growth performance, tissue trace mineral content, and carcass yield of broiler chickens. Poultry science, 97 (11): 3891-3898. Olutumise, A. I. (2020). Transportation system and output market participation nexus among yam producers in Southern Region of Nigeria. Scientific Papers Series: Management, Economic Engineering in Agriculture and Rural Development, 20 (4): 365-380. Oyewusi, I. K., Oladele, A. and Owoyemi, O. V. (2024). Effect of storage structure on quality and shelf life of white yam (Dioscorea rotundata) in South East Nigeria. World Journal of Advanced Research and Reviews, 21 (2): 1283-1298. Sam, N. M., Filli, F. B. and Egbeadumah, M. O. (2024). Analysis of socio-economic factors influencing efficiency of yam marketing in Southern Taraba State, Nigeria. Journal of Economics, Business and Management, 2 (5): 1-8. Swamy, K. R. M. (2024). Origin, distribution, taxonomy, botanical disruption, genetics and cyto-genetics, genetic diversity and breeding of yam. Internal Journal of Development Research, 14 (1): 1-19. Tamburawa, M. S. Suraj, M. A., Khaleel, A. G. and Madaki, S. (2024). Effect of yam peel meals diets on performance and nutrients digestibility of grower rabbits. Nigerian Journal of Animal Production, 1036-1038. Tochukwu S. Ezeadu and Elizabeth Njo Obimbua (2024). Enhancing rural market access and value chain integration for sustainable agricultural development in Nigeria. A study of Constraints, Strategies and Implications. International Journal of Research, Innovation in Social Science, 8 (3): 1-23. Ushahemba Victor Ijirshar, Isaiah Iortyom Udaah, Bridget Ngodoo Mile, Joyce Sember Vershima and Abba Adaudu (2025). Effect of insecurity on agricultural output in Benue State, Nigeria, 1-13. Yusuf, T. M. (2022). Economic impact of yam value chain in Nigeria. Asian Journal of Research in Agriculture and Forestry, 8 (3): 1-9.