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What is the basic principle of shade net?

2018-04-20
Shade net, also known as shading net, is a new type of special protective cover material for agriculture, fishing, animal husbandry, wind protection, and cover soil that has been popularized in the past 10 years. After covering in summer, it plays a role in blocking light, blocking rain, moisturizing and cooling. After winter and spring coverage, there is a certain degree of heat and humidity.
What is the basic principle of shade net?
Sunshade net mainly used in the summer to cultivate vegetables using shade nets has become a major promotion of disaster protection technology measures. In summer (June-August), the main function of covering the shading nets is to prevent the sun's exposure, prevent rainstorms, high-temperature hazards, spread of diseases and pests, and especially play a role in preventing the migration of pests.
After covering in summer, it plays a role in blocking light, blocking rain, moisturizing, and cooling. After winter and spring, it also has a certain effect of heat preservation and humidification.
Moisturizing principle: After covering the shade net, because of the cooling and windproof effect, the speed of communication between the air in the concealment area and the outside world is decreased, and the relative humidity of the air is obviously further increased. At noon, the maximum value of humidity increase is generally 13-17%, and the humidity is high. The evaporation of soil decreased, increasing soil moisture.
The shade net is made of polyethylene (HDPE), high-density polyethylene, PE, PB, PVC, recycled materials, new materials, polypropylene, etc. as raw materials, with UV stabilizer and anti-oxidation treatment, with strong tensile strength, Anti-aging, corrosion resistance, radiation resistance, light and so on. It is mainly used for the protective cultivation of vegetables, fragrant apricots, flowers, edible fungi, seedlings, medicinal herbs, ginseng, ganoderma lucidum and other crops, as well as for aquatic aquaculture, and so on, and has a significant effect on increasing yield.
What is the basic principle of shade net?
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