Guan Yubing wanted to keep crops from being infested with pests. The Bishan District of Chongqing adopts the method of "insects to overcome insects", that is, the natural enemy insects that raise agricultural pests are reduced through biological control.
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There are many insect pests that harm fruit trees, and the most difficult to control is dried moth pests. If you grasp the overwintering characteristics of various dried borer pests in fruit trees, combined with pruning using a combination of agricultural control and pharmaceutical control...
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