The implementation of the rural vitalization strategy has put forward higher requirements for improving the efficiency of agricultural production and allocation.Based on the SBM-GML model,this paper selects the provincial panel data of the main grain producing areas from 2000 to 2021,and tries to calculate and discuss the spatial and temporal evolution characteristics of agricultural total factor productivity by using the DEA method.The research shows that the agricultural total factor productivity in the major grain producing areas is on the rise,and the technological progress is the main con...
