In order to investigate the impact of digital economy on the enhancement of agricultural mechanization level, based on the panel data of 1 610 counties in China from 2014 to 2021, the impact of the digital economy on the enhancement of agricultural mechanization level was systematically analyzed by using benchmark regression model, threshold effect model, and mediation effect model. The resuls showed that:1) The digital economy significantly promoted the level of agricultural mechanization; 2) The results of threshold effect analysis showed that the influence of digital economy on agricultural mechanization has gradually weakened with the improvement of the level of agricultural mechanization; 3) The digital economy promoted labor transfer, and the transfer of labor force to non-agricultural industries inhibited the improvement of agricultural mechanization level; 4) The results of heterogeneity analysis showed that when the distance was further from the prefecture-level city to which it belonged, the scale of the land operation was small, and the slope of the terrainwas more significatnt, the enhancement effect of digital economy was more obvious. Therefore, policy recommendations,such as the development of present agricultural mechanization and implementation of a differentiated agricultural machinery strategy, are proposed in this study.
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