Spatiotemporal evolution of climatic resources and their impacts on single-rice production in Jiangsu Province: A 60-year phenological analysis.
Jiang Y, Luo S
Climate Adaptation
Rice paddies in eastern China are quietly reorganizing themselves around a climate that no longer matches the calendar farmers have relied on for generations — and the ripple reaches every grain on your plate.
Scientists tracked how the weather in one of China's major rice-growing regions changed over 60 years and how those changes affected rice at each stage of its life cycle. Temperatures rose and hot zones crept northward, which actually helped rice grow faster early on and fill out its grains at the end — but sunlight got noticeably weaker, especially during the early growing season. Rainfall increased overall but became lopsided, with the south getting much more during a critical growth stage while the pattern of water loss through evaporation flipped from north-heavy to south-heavy.
Key Findings
Temperatures rose significantly and consistently across Jiangsu Province from 1961–2020, with high-temperature zones expanding northward — benefiting early vegetative growth and late grain-filling stages.
Solar radiation declined severely across the entire region, especially during early vegetative phases, though its negative effect on final rice yield was partially buffered by other factors.
Effective precipitation increased overall but became spatially polarized, with the south seeing rapid rainfall increases during the tillering stage, while potential evapotranspiration reversed from a historically north-high to a south-high pattern.
chevron_right Technical Summary
Over 60 years, rising temperatures, dimming sunlight, and shifting rainfall patterns have reshaped how rice grows across Jiangsu Province, China — with warming helping some growth stages while solar dimming and uneven rainfall create new risks for harvests.
Abstract Preview
Global climate change significantly alters regional agricultural resources, posing complex challenges to crop production. This study quantifies the spatiotemporal evolution of climatic resources ac...
open_in_new Read full abstractAbstract copyright held by the original publisher.
Species Mentioned
Was this useful?
Want to tell us more? (optional)
Thanks for the note!
Something went wrong — please try again.
Too many submissions. Try again in an hour.
Chloroplast Genome Editing Eliminates Gluten Immunogenicity in Triticum aestivum
It could mean that people with celiac disease — roughly 1 in 100 worldwide — may one day safely eat bread made from real wheat, without sacrificing the taste...
Rice is a cereal grain and in its domesticated form is the staple food of over half of the world's population, particularly in Asia and Africa. Rice is the seed of the grass species Oryza sativa —or, much less commonly, Oryza glaberrima. Asian rice was domesticated in China some 13,500 to 8,200 y...