Dr Mabaya is an agricultural engineer with more than 18 years of experience in agricultural mechanization and water management. He graduated with a Doctorate of Agricultural Science in Water Resources Engineering in 2016 at Kyoto University in Japan, a Master of Science in Hydraulic Engineering (Land and Water Development) in 2012 at IHE Delft Institute of Water Education in Netherlands, and BSc (Honours) Agricultural Engineering in 2003 at University of Zimbabwe. Dr Mabaya joined ZSAES as a Senior Research Agricultural Engineer in 2021 and his research interests include agricultural water management, modernization of irrigation and drainage systems, climate adaptation and proofing of agricultural water systems, sustainable agricultural mechanization, precision agriculture and integrated land and water resources management.
- Email: gmabaya@zsaes.org.zw
Key Publications
T. P. Chibarabada, G. Mabaya, L. Nhamo, S. Mpandeli, S. Liphadzi, K. K. Kujinga, J Kileshye-Onema, H. Makurira, D. Naidoo and M.G. Jacobson. 2022. Building capacity for upscaling the Water Energy Food nexus and guiding transformational change in Africa. In Water – Energy – Food Nexus Narratives and Resource Securities: A Global South Perspective. ISBN: 978-0-323-91223-5.
Mabhaudhi T., Nhamo L., Chibarabada T.P., Mabaya G, Mpandeli S., Liphadzi S., Senzanje A., Naidoo D., Modi A.T., Chivenge P.P. 2021. Assessing Progress towards Sustainable Development Goals through Nexus Planning. ; 13(9):1321 -1331. https://doi.org/10.3390/w13091321
Ncube, F., Kanda, A., Chijokwe, M., Mabaya, G., Nyamugure, T. 2020. Food safety knowledge, attitudes and practices of restaurant food handlers in a lower‐middle‐income country. Food Science & Nutrition, 8(3), pp. 1677–1687. https://doi.org/10.1002/fsn3.1454
Unami, K., Mabaya, G., Alam, A.H.M.B., Fujihara, M. 2018. Active Water Quality Management in Rural Small Watersheds. In: Singh, V., Yadav, S., Yadava, R. (eds) Environmental Pollution. Water Science and Technology Library, vol 77. Springer, Singapore. https://doi.org/10.1007/978-981-10-5792-2_33
Mabaya, G., Unami, K., Takeuchi, J., Fujihara, M., Yoshioka, H. 2017. Robust optimal model for sustainable joint production of green tea and paddy rice in Japanese agricultural watersheds. International Journal of Innovation and Sustainable Development 11(1), pp. 69–84
Mabaya, G., Unami, K., Fujihara, M. .2017. Stochastic optimal control of agrochemical pollutant loads in reservoirs for irrigation. Journal of Cleaner Production, 146, pp. 37–46.
Mabaya, G., Unami, K., Yoshioka, H., Takeuchi, J., Fujihara, M. 2016. Robust optimal diversion of agricultural drainage water from tea plantations to paddy fields during rice growing seasons and non-rice growing seasons. Paddy and Water Environment, 14(1), pp. 247–258
Mabaya, G., Unami, K., Fujihara, M. and Alam, A.H.M.B. 2015. Towards improved water environment productivity in Japanese paddy rice irrigation schemes. Proceedings of the 27th Symposium of the Japan Society of Irrigation, Drainage and Reclamation Engineering, Tsukuba, Japan, Dec. 3-4, 2015, pp. 25-29
Mabaya, G., Unami, K., Fujihara, M. Markov decision process to find optimal policies for control of nitrogen pollutant loads in reservoirs for irrigation. Proceedings of the 10th Conference on Sustainable Development of Energy, Water and Environment Systems, Dubrovnik, Croatia.
Mabaya, G., Unami, K., Yoshioka, H., Takeuchi, J., Fujihara, M. Towards sustainable joint production of green tea and paddy rice crops in Japanese agricultural watersheds. Proceedings of the 22nd Annual Congress of Japan Rainwater Catchment Systems Association, Fukui, Japan, November 23-24, 2014, pp. 142-147
Mabaya, G., Unami, K., Yoshioka, H., Takeuchi, J., Fujihara, M. 2014. Robust optimal policy for diversion of agricultural drainage water from tea plantations to paddy fields. Proceedings of the 9th Conference on Sustainable Development of Energy, Water and Environment Systems, Venice-Istanbul. September 20-27, 2014, pp.0025/1-0025/12.
Yoshioka, H., Kinjo, N., Mabaya, G., Unami, K., Fujihara, M. 2014. A hyperbolic longitudinal dispersion model of contaminant in open channel networks. Proceedings of the 7th International Symposium on Environmental Hydraulics, Nanyang, Singapore, January 7-9, 2014, pp. 159-162