发挥土居拮抗菌作用防治棉花枯黄萎病Ｔｒｉｃｈｏｄｅｒｍａ等棉花枯黄萎病原菌的拮抗菌在有机质丰富、含碳量高，又是好氧的表土层中能充分活化，抑制棉花枯黄萎病的发生。传统作法将棉秆或堆肥翻到耕作层下层，不能发挥拮抗菌的防病作用。原因为：（１）土壤中可被气体... Antagonistic bacteria play a role in the prevention and treatment of cotton withered Verticillium wilt Trichoderma cotton and other pathogens of Verticillium dahliae antagonistic bacteria in the organic matter rich, high carbon content, but also the aerobic topsoil can be fully activated to inhibit the occurrence of cotton verticillium wilt. Traditionally, cotton stalks or composts were turned to the bottom of the tillage layer and could not exert the anti-pathogenic effect of antagonizing bacteria. The reason is: (1) the soil can be gas ...