Application mechanism of greenhouse cultivation. Through the rational construction of the structure of the shed and the selection of suitable plastic film covering materials, it is possible to efficiently absorb and store solar radiant energy through the use of as much short-wave radiation as possible and as little as possible long-wave radiation at night, which is not suitable for crops. In the season of growth and development, good microclimate conditions are created to obtain better greenhouse effect and cultivation benefits.
Shelf type and performance. The shed film is divided from the resin raw materials and includes a polyethylene (EP) film, a polyvinyl chloride (PVC) film, and an ethylene-vinyl acetate film. From the structural performance points, there are ordinary film, anti-aging film, long-life film, double film, multi-functional film, multi-functional composite film.
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