Therefore, "Green-Guard" was an ideal substitute for Bordeaux mixture as a copper product.
2
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.
3
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.