关键词: 农机社会化服务, 种粮积极性, 粮播比, 粮食安全, 双向固定效应模型

Abstract:  To study the impact of socialized agricultural machinery services on farmers enthusiasm for growing grain is of great practical significance for improving the level of socialized agricultural machinery services in my country, mobilizing farmers enthusiasm for growing grain, and ensuring national food security. Based on the panel data of 30 provinces in China from 2004 to 2019, constructing a twoway fixed effect model to analyze the effect of agricultural machinery socialization services on farmers enthusiasm for growing grain. Research indicates, socialized agricultural machinery services have a significant positive impact on farmers enthusiasm for growing grain, and it is significant at the 1% level. In terms of regional distribution, agricultural machinery socialized services in main grain production areas, main grain sales areas, and grain production and sales balance areas There is still a positive impact on farmers enthusiasm for growing grain, and they are significant at the levels of 1%, 10%, and 5%. Socialized agricultural machinery services can increase production and income, save costs and increase efficiency through the integration of resources, and can effectively enhance farmers enthusiasm for growing grain. However, it is limited by resource endowment and other conditions,  the impact of socialized agricultural machinery services on farmers enthusiasm for growing grain has regional differences. The social service level of agricultural machinery is limited, and there is still room for improvement.

Key words: agricultural machinery socialization service, planting enthusiasm, grain to seed ratio, food security, twoway fixed effects model