Research on the threshold effect of agricultural machinery socialization service on the grain-oriented of farmland
Stabilizing the grain planting area of farmland is an important way to ensure food security,and the social service of agricultural machinery is directly related to the grain-oriented of farmland,so it is necessary to conduct in-depth research on the influence of agricultural machinery socialization service on the grain-oriented of farmland.Based on the provincial panel data from 2007 to 2022 in China,this paper empirically analyzes the nonlinear impact of agricultural machinery socialization services on the grain-oriented trend of farmland by utilizing the fixed-effect model and the panel threshold model.The results indicate that the impact exhibits a double threshold effect based on income levels.When the rural resident's income level is lower than 6 276.25 yuan,the socialized service of ag-riculture machinery has a significant negative impact on the grain-oriented of farmland.When the rural resident's income level was between 6 276.25 yuan and 10 619.40 yuan,the influence of agricultural machinery socialization service on the grain-oriented of farmland was enhanced,and when the rural resident's income level was higher than 10 619.40 yuan,the impact of agricultural machinery socialization service on the grain-oriented of farmland was the greatest.Therefore,in order to stabilize the proportion of grain planting in farmland,it is necessary to actively improve agricultural policies,vigorously promote the socialized service level of agricultural machinery,increase farmers'income,and implement differentiated subsidy policies for different regions.
socialized services for agricultural machinerygrain-orientedfixed-effect modelpanel sill model