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Modem agriculture rapidly improves productivity, meanwhile it pays heavy prices such as over consumption of resources and energy and damages to the agricultural environment. The eco-environmental deterioration of agricultural development and improper mode of agricultural development make more fragile eco-environment also severely restrict sustainable development of agriculture. Circular economy has become the effective path about the sustainable development of every country as the model according with the sustainable development principle. Ecoagriculture has a long history in our country. The agriculture connects closely with the natural ecosystem, which puts agricultural economic system to the harmonious process of the mat erial circulation in the natural ecosystem. It provides the way of development of circular economy in agriculture. Circular economy is the road to achieve the harmonious development between economy and environment. The recycled usage of agricultural resources must be incredible. The core of circular agriculture is to promote the circular utilization of agricultural resources. Ecoagricultural development makes the agriculture achieve the circular flow between material and energy.
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Jun et al. (2011) studied this question.
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