How do you choose and install insect-proof nets? And how do they protect against wind in summer?

　　In agricultural production, insect-proof nets not only prevent pests from entering greenhouses but also help regulate air temperature, soil temperature, and humidity. How can we choose the right insect-proof net to ensure it performs effectively when used in greenhouses?

　　When selecting insect-proof netting for greenhouses, you should consider the mesh count, color, and width of the net. If the mesh count is too low or the mesh size is too large, the net will fail to provide effective insect protection. However, while a mesh that’s too dense and too small can indeed keep insects out, it may impair ventilation, leading to higher temperatures; and excessive shading can hinder crop growth. If there are many weeds and whiteflies outside the greenhouse, given the small size of whiteflies, it’s crucial to prevent them from entering through the holes in the insect-proof netting. We recommend that vegetable farmers use denser netting, such as 40- to 60-mesh nets.

　　In spring and autumn, when temperatures are low and sunlight is weak, use white insect-proof netting. In summer, use black or silver-gray insect-proof netting to provide shade and reduce heat. In regions where aphids and viral diseases are severe, to repel aphids and prevent viral diseases, it is recommended to use silver-gray insect-proof netting.

　　When selecting insect-proof nets, be sure to check whether the nets are complete and in good condition. Some vegetable farmers have reported that many newly purchased insect-proof nets have holes. They advise spreading out the nets and carefully inspecting them to ensure they’re intact.

How do I install a mosquito net?

　　Ensure coverage quality.

　　The insect-proof netting must cover the entire area, with soil used to seal the perimeter and secured firmly with covering film ties. When entering or exiting the large, medium-sized greenhouses or tunnels, be sure to close the doors immediately after you come in or go out. For small hoop houses, the insect-proof netting should extend well above the height of the crops to prevent vegetable leaves from pressing against the netting, thus avoiding pests feeding outside the net or laying eggs on the leaves. There must be no gaps between the insect-proof netting used to seal air vents and any transparent covers, as such gaps could provide an opportunity for pests to enter. Regularly inspect and repair any holes or gaps in the insect-proof netting.

　　Insecticide treatment

Seeds, soil, plastic greenhouses or greenhouse frame structures, and framing materials—all of these may harbor pests and insect eggs. Before planting vegetables, seeds, soil, trellises, and racks must undergo pest-control treatment. This step is crucial for ensuring the effectiveness of insect-proof netting cultivation.

　　As summer arrives and temperatures continue to rise, occasional strong winds also become more frequent. How can greenhouse insect-proof nets withstand these winds? Here’s a detailed explanation from a professional insect-proof net manufacturer:

　　1. Typically, greenhouses are equipped with windbreaks to better prevent cold air from entering. In summer, we can remove the windbreaks!

　　2. You can replace the diamond-shaped mesh at the flower’s watering spout with a finer mesh, which will improve ventilation and also enlarge the air outlet!

　　3. If there’s a standard, you can add an air outlet; if there’s a standard, you can also appropriately add a centrifugal fan!

　　4. Remove the straw curtains from the greenhouse, and the total area of the watering holes at the top of the greenhouse can then be fully opened. This larger opening will help accelerate the removal of hot air from inside the greenhouse.

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