Theories and models on agricultural circular economy

Definitions of agricultural circular economy,cyclic agriculture,ecological agriculture and sustainable agriculture were elaborated.Based on the circular economy theory,the relationship between regional agriculture,high-yield superior agriculture,biomass energy resource exploitation,etc.and agricultural circular economy were discussed.In addition to conservation agriculture,comprehensive waste utilization and ecological agriculture,regional and high-yield,superior agriculture as well as exploitation of biomass energy resource should also be included as the important models for the development of the agricultural circular economy.