Assessing the impact of climate variability on maize yields in the different regions of Ghana—A machine learning perspective

9. Kuwayama Y., Thompson A., Bernknopf R., Zaitchik B., and Vail P., “Estimating the Impact of Drought on Agriculture Using the U.S. Drought Monitor,” Am J Agric Econ, vol. 101, no. 1, pp. 193–210, Jan. 2019. https://doi.org/10.1093/ajae/aay037 10. Baffour-Ata F., Tabi J. S., Sangber-Dery A., Etu-Mantey E. E., and Asamoah D. K., “Effect of rainfall and temperature variability on maize yield in the Asante Akim North District, Ghana,” Current Research in Environmental Sustainability, vol. 5, p. 100222, 2023. https://doi.org/10.1016/j.crsust. 2023.100222 11. S. K. Assem, “Maize, tropical (Zea mays L.),” Agrobacterium Protocols: Volume 1, pp. 119–134, 2015. 12. Cudjoe G. P., Antwi-Agyei P., and Gyampoh B. A., “The Effect of Climate Variability on Maize Produc- tion in the Ejura-Sekyedumase Municipality, Ghana,” Climate, vol. 9, no. 10, p. 145, Sep. 2021. https:// doi.org/10.3390/cli9100145 13. B. Darfour and K. A. Rosentrater, “MAIZE IN GHANA: AN OVERVIEW OF CULTIVATION TO PRO- CESSING,” in 2016 ASABE International Meeting, American Society of Agricultural and Biological Engi- neers, Jul. 2016. 14. Fagariba C. J., Song S., and Baoro S. K. G. S., “Climate change in Upper East Region of Ghana; chal- lenges existing in farming practices and new mitigation policies,” Open Agric, vol. 3, no. 1, pp. 524– 536, Dec. 2018. https://doi.org/10.1515/opag-2018-0057 15. Peters M. K. and Kusimi J. M., “Changes in wetland and other landscape elements of the Keta Municipal area of Ghana,” J Coast Conserv, vol. 27, no. 1, p. 1, Feb. 2023. https://doi.org/10.1007/s11852-022- 00928-6

16. R. Wassmann et al., “Chapter 3 Regional Vulnerability of Climate Change Impacts on Asian Rice Pro- duction and Scope for Adaptation,” 2009, pp. 91–133. 17. Wang J., Wang E., Yang X., Zhang F., and Yin H., “Increased yield potential of wheat-maize cropping system in the North China Plain by climate change adaptation,” Clim Change, vol. 113, no. 3–4, pp. 825–840, Aug. 2012. https://doi.org/10.1007/s10584-011-0385-1 18. Sommer R. et al., “Impact of climate change on wheat productivity in Central Asia,” Agric Ecosyst Envi- ron, vol. 178, pp. 78–99, Sep. 2013. https://doi.org/10.1016/j.agee.2013.06.011 19. Guntukula R., “Assessing the impact of climate change on Indian agriculture: Evidence from major crop yields,” J Public Aff, vol. 20, no. 1, Feb. 2020. https://doi.org/10.1002/pa.2040 20. Aryal J. P., Sapkota T. B., Khurana R., Khatri-Chhetri A., Rahut D. B., and Jat M. L., “Climate change and agriculture in South Asia: adaptation options in smallholder production systems,” Environ Dev Sus- tain, vol. 22, no. 6, pp. 5045–5075, Aug. 2020. https://doi.org/10.1007/s10668-019-00414-4 21. Tack J., Barkley A., and Nalley L. L., “Effect of warming temperatures on US wheat yields,” Proceedings of the National Academy of Sciences, vol. 112, no. 22, pp. 6931–6936, Jun. 2015. https://doi.org/10. 1073/pnas.1415181112 PMID: 25964323 22. Hsiang S. et al., “Estimating economic damage from climate change in the United States,” Science (1979), vol. 356, no. 6345, pp. 1362–1369, Jun. 2017. https://doi.org/10.1126/science.aal4369 PMID: 28663496

23. Yu C., Miao R., and Khanna M., “Maladaptation of US corn and soybeans to a changing climate,” Sci Rep, vol. 11, pp. 1–12, 2021. 24. Gachene C. K. K., Karuma A. N., and Baaru M. W., “Climate Change and Crop Yield in Sub-Saharan Africa,” in Sustainable Intensification to Advance Food Security and Enhance Climate Resilience in Africa, Cham: Springer International Publishing, 2015, pp. 165–183. 25. Atiah W. A., Amekudzi L. K., Akum R. A., Quansah E., Antwi-Agyei P., and Danuor S. K., “Climate variability and impacts on maize (Zea mays) yield in Ghana, West Africa,” Quarterly Journal of the Royal Meteorological Society, vol. 148, no. 742, pp. 185–198, Jan. 2022. https://doi.org/10.1002/qj. 4199 26. Acquah H. de-G. and Kyei C. K., “THE EFFECTS OF CLIMATIC VARIABLES AND CROP AREA ON MAIZE YIELD AND VARIABILITY IN GHANA,” Russ J Agric Socioecon Sci, vol. 10, no. 10, pp. 10–13, Oct. 2012. https://doi.org/10.18551/rjoas.2012-10.02 27. Adjei V. and Kyerematen R., “Impacts of Changing Climate on Maize Production in the Transitional Zone of Ghana,” Am J Clim Change, vol. 07, no. 03, pp. 463–476, 2018. https://doi.org/10.4236/ajcc. 2018.73028 28. Baffour-Ata F., Antwi-Agyei P., Nkiaka E., Dougill A. J., Anning A. K., and Kwakye S. O., “Effect of cli- mate variability on yields of selected staple food crops in northern Ghana,” J Agric Food Res, vol. 6, p. 100205, Dec. 2021. https://doi.org/10.1016/j.jafr.2021.100205 29. Lobell D. B. and Burke M. B., “On the use of statistical models to predict crop yield responses to climate

change,” Agric For Meteorol, vol. 150, no. 11, pp. 1443–1452, Oct. 2010. https://doi.org/10.1016/j. agrformet.2010.07.008 PLOS ONE Impact of climate variability on maize yields in Ghana PLOS ONE | https://doi.org/10.1371/journal.pone.0305762 June 25, 2024 22 / 24