波尔多液的选料与对制波尔多液是利用硫酸铜、生石灰和水三者混合而成，属保护性杀菌剂，宜在发病前使用。波尔多液除防病作用外，因药液含有铜元素（硫酸铜）和钙元素（生石灰），被植株吸收后，可促使叶片浓绿、加厚，从而增进光合作用、提高植株的抗病力。波尔多液配制... Bordeaux mixture of choice and the system Bordeaux mixture is the use of copper sulfate, quicklime and water from a mixture of three, is a protective fungicide, should be used prior to onset. Bordeaux solution in addition to disease prevention, the solution contains copper (copper sulfate) and calcium (lime), absorbed by the plants, can promote dark green leaves, thickened, thereby enhancing photosynthesis, improve plant disease resistance . Bordeaux mixture ...