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将新鲜牛粪、猪粪、马粪、羊粪分别和土、自来水按１：１：３的比例混合，在温室条件下沤制半年后，加水取其浸渍液，并将浸渍液喷洒于小麦叶片上，两天后用自然发病产生的白粉菌接种。２周后记载每叶病斑数进行评估。和用清水处理的对照相比，各沤肥浸渍液对小麦白粉病的抑制作用在０．０１水平上均达显著。利用细菌过滤器处理过的各沤肥浸渍液也具有基本相似的作用效果，作用机理正在进一步研究之中。
The fresh cow dung, pig manure, horse manure, sheep manure, respectively, and soil, tap water at a ratio of 1: 1: 3 mixing system in the greenhouse six months after the system, add water to take the impregnating solution, and the impregnating solution sprayed on wheat Leaves, two days after the natural occurrence of powdery mildew inoculation. After 2 weeks, the leaf spot per leaf was recorded. Compared with the control treated with water, the inhibitory effect of each fertilizer on wheat powdery mildew was significant at 0.01 level. The biofilm digesters treated with bacterial filters also have similar effects and the mechanism of action is under further study.