In winter, not only is the crop in hibernation, the pests are also in hibernation, and this is a good time to eliminate insects. The following three types of insect removal measures are very effective:

Deep plowing. Deep plowing of farmland can not only increase soil fertility, but also can turn maggots and other underground pests to the ground to freeze to death. Deep plowing should be conducted in the late autumn and early winter. It is generally practicable to deep plowing to 9-13 cm. This can destroy the pests of pests such as Mysida and Mythidae. Room, change its position, prevent feathering or hatching.

Qingdi. Remove weeds and crop stalks from the fields to destroy the wintering environment such as locusts and planthoppers. The removal of corn stalks, glutinous rice, etc., can kill more than 90% of corn borer, chestnut ash, leaf roller moth and cabbage caterpillar that can survive.

spray. Spraying with 2.5% betamethrin or 20% fast-killing 4000-5000 times in the weeds around the farmland can kill a large number of aphids, migratory locusts and fleas.

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