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Insect screen can prevent insects from entering the greenhouse, and it is usually installed at the air inlet, window, doorway and other openings. The mesh size of insect control net should be able to prevent insects from entering. The installation of insect screen will increase the local resistance of the vent, which should be considered in the estimation of greenhouse ventilation.

As a filter element, the filter bag guide is a key link in the filtration process. The quality of the filter bag largely determines the filtering effect.

The difference between curtains and screens

Anti-bird net cover cultivation is a new and practical environmental-friendly agricultural technology that increases the yield by constructing artificial isolation barriers on the scaffolds to keep birds out of the net, cut off the breeding pathways of birds, and effectively control all kinds of birds Transmission and prevention of the dangers of viral disease transmission.

Environmental protection is an issue that has received much attention in agricultural production in recent years. Under the general trend of emphasizing the transformation of agricultural production mode, physical control of plant diseases and insect pests is becoming more and more popular. Many farmers who are engaged in greenhouse planting choose to install insect nets, which are economical and practical and meet the requirements of ecological agriculture, thus reducing the damage of pesticides to soil and crops. Today, I'd like to introduce some knowledge about insect nets.

Insect-proof net covering cultivation is a new environmental-friendly agricultural technology that can increase production and is practical. It can effectively control the spread of various pests, such as cabbage caterpillar, cabbage moth, diamondback moth, aphid, beetle, beet armyworm, Liriomyza sativae, Spodoptera litura, etc. and prevent the spread of virus diseases by covering the trellis to build an artificial isolation barrier to keep pests out of the net and cutting off the propagation path of pests (adults). And has the functions of light transmission, moderate shading of insect prevention nets, ventilation and the like, creates favorable conditions suitable for the growth of crops, ensures that the application of chemical pesticides in vegetable fields is greatly reduced, enables the produced crops to be of high quality and sanitary, and provides strong technical guarantee for the development and production of pollution-free green agricultural products.