Analysis of Economic Profit from Circular Agriculture Model Linking to
 “Grass-Herd-Biogas-Vegetables” Practice

 In this paper, the pattern of circular agriculture model linking to “Grass-Herd-Biogas-Vegetables” was introduced, and its economic profits were evaluated by technological management link in the cycling. The results showed that the described circular agriculture model performed higher economic and ecological profits during 2011 and 2012 year. And some proposals were provided to lower the cost and market risks of managing this circular agriculture model, including offer some subsidies from the government and bring forth new ideas of agribusiness cooperation between farmer and the enterprise.