District-level modeling study demonstrates significant climatic impacts on sugarcane yield and sugar recovery, indicating major agricultural vulnerabilities to regional warming.
Sugarcane is a cash crop typically cultivated for sugar. Due to climate change, there is a rise in temperature, disruption in the rainfall patterns and cycle of seasons. Such changes in weather parameters affect sugarcane production as well as sugar recovery from the canes. The study was conducted in Uttar Pradesh, India using GIS (Geographic Information System) based models and statistical multiple linear regression from districtwise data on yield and climatic parameters over the study period (1986 to 2015). The GIS models reveal that climatic factors like rainfall, temperature and evapotranspiration changed significantly throughout the study.The multiple linear regression model shows that such changes in climatic parameters have a significant impact on the yield of sugarcane. Graphical analysis of yearly data on temperature and sugar recovery (%) showed that temperature affects the amount of sugar recovered from the canes. The study aims to illustrate the evidence of climate change and its impact on sugarcane production in Uttar Pradesh.
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Sengupta et al. (2023) studied this question.
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