As the basic condition of exist and development of human being, environment is the physical base of the development of economy and society. How to protect and construct environment, and how to utilize natural resources reasonably are the problems we have to face. In view of the salinization in the western of Jilin province, soil, forest and water should be under controlled synthetically. Agroecological environment is a multi-target, multi-variable, multi-loop, nonlinearity feedback system. An integrated app...