A Yield-Constrained Machine Learning Framework for Multi-Scenario Heat Hazard Assessment of Single-Cropping Rice in the Middle and Lower Reaches of the Yangtze River
Rice is a staple grain crop central to China’s food security. As the core production region of single-cropping rice, the middle and lower reaches of the Yangtze River face escalating high daytime and nighttime temperatures and compound drought–heat stress amid global warming. The accurate assessment of heat hazards is...