波尔多液是一种配制方法简单、防治病害较多、经济有效、残效期长的杀菌剂,广泛应用于防治作物、果树和蔬菜病害上。波尔多液配制方法有半量式和等量式两种。半量式为半斤硫酸铜、半斤生石灰、100斤水、即0.5∶0.5∶100,此配方多用于作物生长苗期;等量式为1斤硫酸铜、1斤生石 Bordeaux mixture is a fungicide with simple preparation method, more prevention and treatment of diseases, economic and effective long-term residual effect. It is widely used in the prevention and control of crops, fruit trees and vegetable diseases. Bordeaux mixture of liquid preparation methods are the same half-size and two types. Half the amount of half a catty copper sulfate, half a catty lime, 100 pounds of water, that is 0.5: 0.5: 100, this formula is used for crop growth seedling; equivalent amount of 1 kg of copper sulfate, 1 kg of stone