Heterogeneous climate effect on crop yield and associated risks to water security in India

Souryabrata Mohapatra, Dukhabandhu Sahoo, Auro Kumar Sahoo, Basil Sharp and Le Wen

International Journal of Water Resources Development, 2024, vol. 40, issue 3, 345-378

Abstract: This study uses the Just–Pope approach to investigate the effects of seasonal weather variables and extremes on the mean yield and yield variability of rice, bajra, chickpea, groundnut and sugarcane in India during the period 1990–2015. Results reveal that changes in rainfall and evapotranspiration across seasons largely affect mean yields for most crops, including bajra, chickpea and groundnut. However, high summer rainfall and low monsoon evapotranspiration extremes reduce groundnut and chickpea yield variability. Considering the importance of water availability to crop yields, this study suggests improving irrigation and water reallocation and management to reduce the severity of seasonal climate effects.

Date: 2024
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Working Paper: Heterogeneous climate effect on crop yield and associated risks to water security in India (2023)
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DOI: 10.1080/07900627.2023.2244086

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