Sometimes the weather is erratic and wind damage is prone to occur. A little carelessness may cause the greenhouse film to be torn and the grass thatch to be scraped over. For those who are new to greenhouse planting, the awareness of wind prevention is relatively weak. With this special reminder, wind, rain, snow, and fire prevention in greenhouses are all very important. You should keep in mind to keep in mind to avoid economic losses. In view of wind protection in greenhouses, it is recommended that vegetable farmers focus on the following four points: First, we must pay attention to weather forecasts, be aware of whether there will be strong winds in the next few days, and prevent them in advance. Second, we must pay attention to regular comprehensive inspection of the greenhouse to eliminate hidden dangers of wind damage. The first is to check the laminating line. The loose laminating line should be tightened again; the old or broken laminating line should be replaced in time. The second is to check whether the shed film is damaged. If any damage is found, repair it as soon as possible. Third, focus on fixing the grass thatch on the back slope of the greenhouse. In production, vegetable farmers always worry about the grass thatch being blown away by the wind after releasing the grass thatch, so they choose to use floating film to cover the grass thatch. However, the area covered by the floating film accounts for about 4/5 of the entire grass thatch. That is to say, the grass thatch is spread on the back slope of the greenhouse, and the floating film is not completely covered. Therefore, it is necessary to fix the grass thatch on the back slope of the greenhouse on the basis of covering the floating film. Method: Choose a No. 6 steel wire, pull it 20 cm inside the grass thatch on the back slope of the greenhouse, fix both sides on the falling rocks under the east and west gables, and then tighten it with a wire tightening machine. Or on the back slope of the greenhouse every 10 meters, use stones to hold down the fixed steel bars to prevent the grass thatch from being blown away by the wind after the steel bars become loose. Fourth, we must set up a windproof "back cover" for the greenhouse. The so-called wind-proof back cover is to install a film with the same length as the floating film and about 1 meter wide on the back slope of the greenhouse, and set it on the top of the greenhouse with something, and cover one side of the film (about 20 cm wide) with soil. , Compaction. After putting down the grass thatch and covering it with the floating film, cover the floating film with this film to prevent the north wind from blowing into the floating film and avoid damaging the floating film. Some vegetable farmers call this film a windproof back cover. The cost of installing a windproof back cover is not high, but the windproof effect is very good. It is necessary to remind the vegetable farmers that in addition to the "back cover" on the back wall, the east and west walls should be equipped with a windproof film to prevent east or west winds. Disclaimer: Some articles on this website are transferred from the Internet. If the legal rights of a third party are involved, please inform this website for processing. phone
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