波尔多液是一种植物保护剂,是由硫酸铜和石灰乳配制而成的悬浊液。该药剂用于防治果树病害,适用经济,使用方法简便,防效高,效果好。但如果在配制与使用时方法不当。则极容易发生药害。因此,在配制与使用波尔多液时,应注意以下几点:一、严格控制石灰与硫酸铜的质量。配制波尔多液时,要选择 Bordeaux mixture is a plant protection agent, which is prepared from copper sulfate and lime milk suspension. The medicament is used for preventing and curing fruit tree disease, applicable to economy, easy to use, high in prevention effect and good in effect. However, if the preparation and use improper method. It is very prone to injury. Therefore, in the preparation and use of Bordeaux mixture, should pay attention to the following points: First, the strict control of the quality of lime and copper sulfate. Preparation of Bordeaux mixture, to choose