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冬季气温低,病虫害的活动与危害大都处于隐蔽状态,因此,科季低温阶段施用化学农药,除了选择对路高效药剂外,还应注意以下几点:成虫。
In winter, the temperature is low and the activities and hazards of pests and diseases are mostly hidden. Therefore, the application of chemical pesticides in the low season of the season should pay attention to the following points in addition to the selection of efficient pharmaceuticals: adults.