| The topic of agriculture is an impotant problem in the economic field,and the change of the agricultural subject is the key node of the agricultural development.In order to understand the agricultural development situation and solve the challenges of agricultural development,it is necessary to sort out the logic and path of the change of the agricultural management subject in China.The study of the subject of agricultural change is to explore the economic logic of agricultural development from the overall view of agricultural development.The change is subject to the push and pull from various forces.After the change,the main body of agriculture is the main body of scale effect,which is the main body that can save the transaction cost.This thesis analyzes the feasibility and necessity of the change from the traditional "small—scale" to the corporate "big farmers" in agriculture,demonstrating the economic logic in China's agriculture management entities changing.To minimize the cost constraints,new agricultural management entities with the company,intensive management features will be the main subject of agricultural development,the traditional smallholder production gradually become the complementary in agriculture production.With the constraints of the land transfer,the subject of agriculture Changes will be divided into three steps,the new subject to shift from the traditional farmers,the eventual development of an appropriate scale diversified mature business subject.Following multi—industry integration,eco—friendly agriculture and scientific management path,comprehensive organization of agriculture which set agricultural production,recreation,curtural innovation as an integration is an important direction for future agricultural development in China.In the changing perspective,agricultural policy should be simultaneous adjustment ——seeking a way for traditional farmers is an indispensable part for solving the problem in agriculture;but what even more important is the economic policies for the new agriculture managerial subject;especially,sustainable development of agriculture need to attract and train more professionals and optical as well as technology to join agriculture. |