Based on the survey data of 759 farmers in Hunan province,the research hypothesis is put forward from seven dimensions,including farmers'individual characteristics,family characteristics,policy formulation,publicity,content,participation and effect,and the binary lo...MORE Based on the survey data of 759 farmers in Hunan province,the research hypothesis is put forward from seven dimensions,including farmers'individual characteristics,family characteristics,policy formulation,publicity,content,participation and effect,and the binary logistics model is used to empirically study the farmers'satis...