Review Articles
Vol. 12 No. sp1 (2025): Recent Advances in Agriculture by Young Minds - II
Impact of climate change on rice crop yield: challenges and solutions
Department of Remote Sensing and Geographic Information System, Tamil Nadu Agricultural University, Coimbatore 643 001, India
Center for Water and Geospatial Studies, Tamil Nadu Agricultural University, Coimbatore 643 001, India
Center for Water and Geospatial Studies, Tamil Nadu Agricultural University, Coimbatore 643 001, India
Department of Remote Sensing and Geographic Information System, Tamil Nadu Agricultural University, Coimbatore 643 001, India
Agro Climate Research Centre, Tamil Nadu Agricultural University, Coimbatore 643 001, India
Department of Soil Science and Agricultural Chemistry, Tamil Nadu Agricultural University, Coimbatore 643 001, India
Abstract
Rice is a staple food for billions of people worldwide, yet its production is increasingly threatened by the impacts of climate change. Rising temperatures, irregular precipitation patterns, increased salt and increasing frequency of extreme weather events significantly compromise both rice yield and grain quality. Key stressors such as heat induced spikelet sterility, drought-induced reduction in tillering and grainfilling, salt stress inhibiting plant growth and flooding during critical growth stages pose serious challenges to productivity. Moreover, altered climatic conditions promote pest and disease outbreaks, exacerbate soil degradation, accelerate nitrogen loss and lead to salinity build-up further diminishing agricultural output. Smallholder farmers face socioeconomic vulnerability due to limited resources, inadequate technological access and insufficient adaptive capacity. Enhancing resilience involves innovations like establishing climate-resilient rice cultivars using sophisticated breeding procedures to improve tolerance to heat, drought, flooding and salinity challenges. Precision agriculture technologies (remote sensing, drones) optimize inputs through datadriven decisions. Sustainable approaches including alternate wetting/drying, direct-seeded rice and the System of Rice Intensification, conserve water. Climate-smart farming incorporating conservation agriculture, integrated crop-livestock systems and agroforestry increases overall resilience. Facilitating smallholders' access to climate information services, finance, insurance and capacity building is vital for boosting adaptive capacity. A coordinated, multi-pronged approach incorporating research, technical solutions, policy assistance and community engagement is necessary to create resilient rice farming systems capable of withstanding climate change impacts while maintaining food security.
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