Synthetic evaluation on the development of agricultural circular economy based on the principal component analysis: A case of Tailai County in Heilongjiang Province

Synthetic evaluation on agricultural circular economy development is the most effective and direct ways which analyze and evaluate the development level of the agricultural circular economy from the view point of systemic development and volume development. On the basis of understanding of the connotation of circular economy, this paper has carried on quality comprehensive evaluation to the development level of agricultural circular economy in Tailai County of Heilongjiang Province from 1990 to 2007, based on the principal component analysis. The results show that: resources reduction inputs and recycling of resources are the main obstacle factors that constricted the development of agricultural circular economy in Tailai County of Heilongjiang Province, and the recommendations and policies are put forward to develop the agricultural circular economy on this basis.