用铜皂液防治黄瓜的霜霉病(又名露菌病,京郊农民称作黑毛,跑马乾等),白涩病(京效农民称作白毛,灰斑等)及其他瓜类的病害,在华北和东北地区曾收到一定的效果;但旧的配制方法太麻烦,妨碍了铜皂液的广泛应用。农民常说:“多化点钱可以,就是受不起这个麻烦”。经过我们的研究改进,制成了铜皂液的原液,配制时费力既少,也能长期贮藏,用 Copper soap solution to control cucumber downy mildew (also known as albacteriosis, Beijing suburbs farmers called black hair, Happy Valley, etc.), white astringent disease (Beijing efficiency peasants called white hair, gray spots, etc.) and other melons Of the disease in North China and Northeast China have received some results; but the old preparation method is too cumbersome, preventing the widespread use of copper soap. Farmers often say: “more money can be, is unable to afford this trouble ”. After our research to improve, made of copper soap liquid stock solution, preparation effort less, but also long-term storage, with