Liaoning Deshen Microbial Technology Co., Ltd. and the Institute of Microbiology of the Chinese Academy of Sciences have reached a strategic cooperation. This cooperation uses microbial technology means, through microbial community analysis, soil functional microbial agent breeding and large-scale expansion and cultivation, to increase microbial diversity, improve soil biological fertility and other means, to solve the problem of farmland ecosystem imbalance in northeast China's black land, reduce the spread of soil borne diseases in soybean, corn and sugar beet fields, increase the yield of corn, soybean and sugar beet, and form a set of technology system for green improvement of black land that can be industrialized.