A data-light composite climate resilience index reveals superior drought resilience of millets in rainfed agroecosystems.
Nayak AK, Satpathy BS, Pradhan S, Jeepsa NM, Barik S
Climate Adaptation
If you grow sorghum, finger millet, or pearl millet in a dry-summer garden, you're already working with crops that shrug off drought stress that would devastate a corn or rice planting — and this study puts hard numbers behind why.
Scientists looked at 25 years of rainfall and harvest records to figure out which crops hold up best when rains fail. They found that millets — ancient grains like pearl millet and finger millet — keep producing even in dry years, while rice can lose more than half its harvest when drought hits. The study created a scoring system that combines how exposed crops are to bad weather, how sensitive their yields are to rainfall swings, and how stable their harvests stay over time.
Key Findings
Rice yield reductions during drought years frequently exceeded 40–60%, the highest climate sensitivity of all crops studied.
Millet crops recorded lower drought-induced yield losses, lower rainfall sensitivity, and higher yield stability across all districts studied from 1998–2023.
The Composite Crop Resilience Index rankings remained stable under alternative weighting scenarios, confirming the framework's robustness across different assumptions.
chevron_right Technical Summary
A new index measuring crop resilience to drought found that millets consistently outperform rice and maize in rain-dependent farming regions. Using 25 years of rainfall and yield data across Indian districts, the study shows millets lose far less yield during dry years and bounce back more reliably.
Abstract Preview
Rainfed agriculture is highly vulnerable to increasing rainfall variability and drought under climate change, necessitating robust and transferable approaches for assessing crop resilience. The IPC...
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Millets are a highly varied group of small-seeded grasses, widely grown around the world as cereal crops or grains for fodder and human food. Most millets belong to the tribe Paniceae.