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近三年来,农一师农科所植保室利用西方盲走螨控制苹果害螨初见成效,苹果生长期树叶始终保持绿色,且有无污染果品和环境之优点。 试验分三个处理:第一处理于6月上旬平均每叶害螨数达0.8头时,以1:75的益害
In the past three years, NongYiGong agricultural science plant protection room using western blind walking mites control apple pest mite initial success, the apple growing season leaves always green, and whether the pollution of fruit and the advantages of the environment. Tests were divided into three treatments: the first treatment in early June the average number of leaves per leaf mite 0.8, the benefits of 1: 75