... are certain after covering the role of temperature and moisture. Shade net is the use of polyethylene (HDPE), ... of tension, anti-aging, corrosion resistance, radiation, light and so on. Mainly used for vegetables, mushrooms, flowers, mushroom ... , seedlings, herbs, ginseng, Ganoderma lucidum and other crops, cultivation and conservation of aquatic poultry industry, etc., to improve ...