波尔多液是无机铜素杀菌剂。其有效成分的化学组成是CuSO4·xCu（OH）2·yCa（OH）2·zH2O。1882年法国人A.米亚尔代在波尔多城发现其杀菌作用，故名叫做波尔多液。它是由约 500 克的硫酸铜、500 克的熟石灰和 50 千克的水配制成的天蓝色胶状悬浊液。配料比可根据需要适当增减。一般呈碱性，有良好的粘附性能，但久放物理性状破坏，宜现配现用或制成失水波尔多粉。使用时再兑水混合。
做为铜制剂是传统农药“波尔多液”的理想换代产品。
Therefore, "Green-Guard" was an ideal substitute for Bordeaux mixture as a copper product.
结果表明，一些果园地区由于长期使用波尔多液，土壤铜含量严重超标。
The results showed that many orchard soils had been polluted by cupric pesticides, in some cases, the contents of copper were even higher than that of official standard.
阐述了因长期施用波尔多液致使铜在果园土壤中的残留积累状况及其对果园作物生长的影响。
The residue accumulation status of copper in orchard soil where bordeaux mixture was applied for many years, its effects on fruits and intercrop and interplanting of another crop were elaborated.
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