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Biological pesticides kill insects without leaving pesticide residues
All along, insecticides such as imidacloprid and dichlorvos have been used mainly in tea gardens, and there are large amounts of pesticides. Beginning this spring, Yuhang Township's agricultural office carried out a biocidal test for “biotin pesticide†in a 50-mu tea plantation in the anti-mountain of Xinling. It is understood that this biological pesticide can interfere with or hinder the normal growth of insect skins, both contact and antifeedant effects. After nearly half a year of trials, there are special effects on the killing of tea plant caterpillars, small green leafhoppers, aphids and other tea garden pests, of which the killing rate of tea caterpillars reaches 100%. The ability to kill insects without leaving pesticides is the biggest feature of this biological pesticide. It is understood that this subject was used for the first time in Yuhang District. In order to allow this "green pesticide" to be gradually promoted throughout the town, the town's agricultural office organized on-site training for 18 large tea growers who planted more than 30 acres of tea gardens.