Climate change significantly impacts Indian agriculture, heavily reliant on monsoon rainfall. This study analyzes the relationship between rice yield and monsoon rainfall in India (1990-2017) using historical data. Excessive rainfall reduces yield by 33.7%, while deficit rainfall reduces it by 19%. The optimal rainfall threshold nationwide is 1621 ± 34 mm; beyond this, yield declines. Spatial variations in optimal thresholds exist across 14 states, and temporal variations are influenced by El Niño-Southern Oscillation events.
Publisher
Communications Earth & Environment
Published On
Jun 06, 2024
Authors
Arabinda Maiti, Md Kamrul Hasan, Srikanta Sannigrahi, Somnath Bar, Suman Chakraborti, Shanti Shwarup Mahto, Sumanta Chatterjee, Suvamoy Pramanik, Francesco Pilla, Jeremy Auerbach, Oliver Sonnentag, Conghe Song, Qi Zhang
Tags
climate change
Indian agriculture
rice yield
monsoon rainfall
El Niño-Southern Oscillation
historical data
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