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果树药物涂干应注意的问题当前，用农药涂干除治病虫害的做法起来越普遍。由于用此办法具有方便省工，成本低、见效快，药效持久等优点，越来越被果农广泛应用，有些作用走喷施所不能代替的。但是，由于涂于技术掌握不准，会造成一些不良后果。具体表现是：一是干余后效果...
At present, the application of pesticides to cure diseases and insect pests is more common. Because of this method has the advantages of convenient labor, low cost, quick, long-lasting effects, more and more widely used by farmers, and some of the role of spraying can not be replaced. However, due to the application of technology in the painting is not allowed, will cause some adverse consequences. The specific performance is: First, the effect after more than ...