果树使用波尔多液注意事项波尔多液是一种保护性的广谱无机杀菌剂，在果树上使用要注意以下几点：１讲究配制方法。配制时用８０％的水溶解硫酸铜，２０％的水溶解生石灰，然后把硫酸铜液缓慢倒入石灰水中，边倒边搅拌。这样配成的波尔多液的沉淀速度要比常规配制法缓慢... Bordeaux mixture of fruit trees Notes Bordeaux mixture is a protective broad-spectrum inorganic fungicide, the use of fruit trees should pay attention to the following points: 1 pay attention to the preparation method. Preparation with 80% of the water dissolved copper sulfate, 20% of the water dissolved quicklime, and then pour the copper sulfate solution slowly into the lime water, stirring while pouring. The Bordeaux mixture thus precipitated slower than the conventional preparation method ...