波尔多液是石灰加硫酸铜与水三者配置而成的一种广谱性杀菌剂。一般呈酸性,配置波尔多液质量的好坏,涉及下面几个主要问题:一个是原料,一个是配制方法。石灰必须是块状烧透了的,不要用面灰。硫酸铜的有效含量达98%,水必须是软水。根据作物品种、防治对象及季节的不同,生石灰的用量有少量式(生石灰:硫酸铜:水=0.3:1:100)、半量式 Bordeaux mixture of lime and copper sulfate and water is configured by a broad-spectrum fungicide. Generally acidic, the quality of the configuration Bordeaux mixture, involving the following major issues: one is raw materials, one is the preparation method. Lime must be massive burning, do not use the surface gray. Copper sulfate effective content of 98%, water must be soft water. According to crop varieties, control objects and the different seasons, the amount of quicklime with a small amount of type (quicklime: copper sulfate: water = 0.3: 1: 100)