The high temperature and stuffy shed should not be too long
"High temperature stuffy shed" is very harmful to the shed film. It is understood that long-term use of high-temperature and stuffy sheds in greenhouses can significantly reduce the service life of the shed film. If the shed for more than one month in the summer high temperature season, the shed film will be severely aging: low light transmittance, poor heat preservation, and easy to break. Therefore, in summer, the hot and stuffy shed should not be too long, generally 15 to 20 days is appropriate. Before the shed ****** do not change the new film, you should replace the new film when the next vegetable is planted after the shed, which can slow down the aging of the shed film and ensure the light flow of the shed film during the winter. Good dripping and long service life.
Strictly prevent hot film of steel pipe in greenhouse
At present, most of the main frames of greenhouses are replaced with steel pipes. In summer, the temperature of the steel pipes is very high under direct sunlight, which can easily damage the shed film. Therefore, the protective layer must be wrapped on the frame of the greenhouse, especially the steel pipe. You can choose to wrap it with film or rags. One is to prevent the wire and thorns on the frame from scratching the shed film, and the other is to prevent the high temperature of the steel pipe in summer. The film is burnt, shortening the service life.
Avoid contact between EVA greenhouse film and PVC film
Most vegetable farmers will not remove the old shed film when replacing the new film, which is unreasonable. If the PVC film was used in the greenhouse last season, when you want to switch to EVA film in the next season, the contact between the two types of greenhouse films will easily accelerate the aging rate of the EVA greenhouse film, which is very harmful.
Spray with less irritating pesticides or
Fumigation shed
Many pesticides can damage the greenhouse film after being used in the greenhouse, especially certain insecticides and fungicides containing sulfur or chlorine components, which will destroy the stability of the agricultural film. When spraying pesticides, be careful not to spray pesticides on the agricultural film, and also pay attention to reducing the use of sulfur preparations when smoking the shed, and arrange the smoking shed time reasonably. For example, fumigating the greenhouse with sulfur will have a great impact on the life of the greenhouse film, especially when fumigating frequently, it will greatly accelerate the aging rate of the greenhouse film.
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
Our mission: To protect the health of ear, throat and nose with medical frontier knowledge and technological innovation.
Our vision: Leader in several niche markets of Otolaryngology.
Our values: Change, Enterprising, Share
Migraine Reliever, Head Massager, Eye Massager, Neck Massager
Ningbo Jiamai Internet Technology CO., Ltd. , https://www.jmcuhyd.com