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How to choose agricultural plastic film?
Agricultural film is a kind of product used in agricultural production to protect plant water loss. At present, the increasingly severe food demand and high-tech agricultural technology continue to promote the whole agricultural greenhouse film industry. It is expected that in the next 6 years, Chinese agricultural film It will maintain a compound annual growth rate of 7.6% per year, making it the fastest growing country in the world. The following is a small series of Jiuzhi Plastics Network to tell you how to choose agricultural plastic film:
1. Winter warm arch sheds and greenhouses should use non-drip plastic film. Because of good light transmission, the temperature increase in the shed is fast and the effect is obvious, and the crop yield can be improved by improving the photosynthesis of crops.
2. For the film covered by spring crops, transparent film should be purchased. Because of the strong light transmittance, the ground temperature increases rapidly, and the crop grows fast and promotes early maturity.
3. Weeds are heavily ground, it is best to buy a black film. Crops grown in the hot season, such as summer and autumn cucumbers, tomatoes, summer radishes, lettuce, cabbage, etc., in order to reduce the temperature of the land, you also need to buy black film or black and white double film.
4. In order to control aphids and reduce the occurrence of viruses, silver-gray membranes should be used.
5. Fruit trees should use reflective film, which can promote fruit coloring, increase sugar content, and prevent fruit drop.
6. Rice as a grass-killing film should be used in crop fields such as rice, amaranth, garlic, corn, etc., which are easy to grow weeds; and tomato, pepper, tomato and other crops should use tomato herbicide film, but this film can not be used for grass Undergraduate crops and melons and vegetables.