How to protect and extend the greenhouse plastic film time
To avoid mechanical damage of the films when the film buckle. In particular greenhouse ladders, ladders should flatten the surface asperities sharp anterior cingulate film, or the like rag bandaged. Fixed spring card in the card slot of the pad should be added a layer of old film. When the film opened ventilation or insulation covering to be careful to avoid being bamboo lead wire or the like burst. Film course, it is inevitable to break holes in a timely manner with an adhesive tape or sticky complement. In order to extend the life of the film, but also pay attention to avoid long-term exposure of old and new films, new film because it will accelerate the aging of the old and new films after exposure, in addition to cold or after exposure film will also promote aging. Steel summer after exposure to the sun, the temperature can rise to 60 ~ 70 ℃, thus accelerating the aging and broken films, therefore, generally farmers from the Tomb of the film greenhouses peeled off, a good collection, to be re-laying the fall and winter.
Greenhouse introduction means