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葱蝇幼虫俗称地蛆,根蛆等,是我地危害葱类蔬菜生长的最主要害虫。为取代我地已使用多年的防治药剂六六六,从1983年
Onion larva commonly known as maggots, root maggots, etc., is the most harmful to my onions vegetable growth pests. As a replacement for many years I have been using the preventive medicine BHC, from 1983