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Application of Insect Protection Network on Vegetables
Insect nets are mainly used for vegetable production in greenhouses. They cover and cover the vents and entrances of greenhouses and greenhouses, blocking external pests from entering the shed, and reducing the occurrence of pests and diseases. Insect nets can also be used for the production of net sheds that cover all exposed vegetables. In the use of insect nets, the first one is to select the appropriate number of insect nets according to different control objects. Such as 20 to 32 head can be blocked Pieris rapae, Spodoptera litura adults such as Lepidoptera, 40 to 60 head can be blocked B. tabaci, spotted fly and other small pests. Second, pest control nets must be covered strictly throughout the entire crop growth period until they are harvested.