The insect-proof net not only has the function of shading, but also has the function of preventing insects. It is a new material for preventing insect pests in field vegetables. Insect control net is mainly used for seedling and cultivation of vegetables such as cabbage, cabbage, summer radish, cabbage, cauliflower and solanaceous fruits, melons, beans and other vegetables in summer and autumn, which can improve the emergence rate, seedling rate and seedling quality.
density
The density of insect nets is usually expressed in terms of mesh, that is, the number of holes per square inch. According to the type and size of the main pests of greenhouse crops, the suitable mesh of the greenhouse insect control net is 20 meshes to 50 meshes. The specific mesh number should be selected and designed according to the type and size of the main pests and diseases.
Select by pest characteristics
The type of insect net is selected according to the length of time the crop has been damaged by insects, the type of insect infestation, etc. If the crop is only damaged by insects for a short time, you can choose a lightweight and convenient insect control net; if the crop suffers from different insect pests in different periods, the corresponding mesh of insect control nets should be selected according to the characteristics of the smallest pests.
strength
The strength of the insect-proof net is related to the material used, the weaving method and the size of the holes. The strength of the metal mesh is higher than that of the insect-proof net made of other materials, and the insect-proof net should have a certain wind resistance.
Specification
The width series of the product are 800mm, 1000mm, 1100mm, 1600mm, 1900mm, 2500mm, etc. The specific specifications of the width and length of the product can also be negotiated by the supplier and the user.
Service life
The insect-proof net made of polyethylene, polypropylene and nylon should have a certain anti-aging ability, and its service life should not be less than 3 years under the conditions of use according to the product manual.
color
The color of the insect net should be mainly white and colorless and transparent, or it can be black or silver-gray. White and colorless insect-proof nets have good light transmission, black insect-proof nets have good shading effect, and silver-gray insect-proof nets have a good aphid prevention effect.
Material
The materials used for making insect nets should have the ability of moisture resistance, corrosion resistance, ultraviolet resistance and aging resistance, and should meet the relevant provisions of national material standards.