What about the key points for selecting flour mesh?...

Nylon mesh insect net is a protection measure to keep pests away from vegetables. It has the function of protecting vegetables against insects and diseases. And there are insect screens that reflect light. Such light is more conducive to dispersing insect pests.

After the nylon insect net is used, it can basically eliminate the pests of cabbage pests, Plutella xylostella, cabbage night moth, Spodoptera litura, yellow-leaf jumping beetle, simian leafworm, aphid and other pests. According to the test, the insect net The control effect of cabbage cabbage worm, diamondback moth, cowpea viburnum, Liriomyza sativae is 94-97%, and the control effect on aphids is 90%.

Nylon mesh can prevent the virus from being a catastrophic disease on a variety of vegetables, mainly from insects, mainly from a

phids.Since the insect net cuts off the main way of transmission of pests, it greatly reduces the infection of vegetable viruses, and the control effect is about 80%.

Nylon mesh is a white insect-proof net that can regulate air temperature, humidity and soil temperature. Morning and evening are on par with land. At noon on sunny days, it can be about 1 ° C lower than land.

Vegetable farmers choose nylon meshs to achieve the effect of shielding strong light. Strong summer light can inhibit the growth of vegetable crops, especially leafy vegetables, and vegetable greenhouse insect nets can play a certain shading and direct light protection effect. 20-22 mesh silver-gray nylon mesh has a refractive index of 20-25%. We need to pay attention to the aperture when buying and using. The survival of vegetables is mainly 20-32 mesh.

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