In order to explore the enrichment effect of agricultural productive service industry, based on the panel data of 30 provinces in China from 2006 to 2021(the data do not include those of Xizang, Hong Kong,Macao and Taiwan regions. The same below.), the mediating effect model and spatial econometric model were used to empirically investigate the enrichment mechanism and spatial spillover effect of agricultural productive service industry from the perspective of farmers’ income increase. The results show that: 1) agricultural productive services can significantly promote farmers' income; 2) There is regional heterogeneity in the enrichment effect of agricultural productive services, which is manifested in “central>eastern>western”,“main grain producing areas>non-main grain producing areas”; 3) The agricultural productive service industry can promote the growth of farmers' operating income by improving agricultural production efficiency, and at the same time, it can promote the growth of farmers' wage income by promoting the transfer of rural labor;4) Agricultural productive services promote the increasing of farmers' income in neighboring areas through spatial spillover effects. To enhance the effect of enriching the people in the agricultural productive service industry, some policy suggestions were put forward, such as increasing policy support, improving the mechanism of linking agriculture with agriculture, strengthening cross-regional service cooperation, and strengthening farmers' employment assistance.
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