Research on the indirect value of rice production has primarily focused on ecosystem service functions,with less emphasis on externalities.This article conducts an innovative evaluation of the externality value of rice production and its significant impact on the ecological transformation of grain production.Utilizing the Chinese panel data on rice production from 2000 to 2021,the study applies methods such as the functional value approach,hotspot analysis,and spatial autocorrelation,in conjunction with geodetectors and geographically weighted ...