Study on the Model and Mechanism of Sustainable Development of Ecological Agriculture in the Ecological Vulnerable Region

In this paper is based on the domestic and international research on sustainable development of ecological agriculture in the ecological vulnerable region,the characteristics of ecological fragility,population,resource,environment,economy and so on were considered.The principle and goal of the ecological agriculture sustainable development were constructed through multi-layer analysis.How to ensure the sustainability and stability of economic development, how to apply the motive mechanism to regulate and control economic behavior,how to apply the technological progress mechanism for the promotion of sustainable development of ecological agriculture and how to apply institutional innovation to guarantee sustainable development of ecological agriculture were put forward.Participation mechanism of farmer household was applied to promote sustainable development of the ecological agriculture.Through these analysis,the innovative thought and way of new sustainable development were brought forth.