Features:1) Suitable crops: vegetables, fruit trees, tobaccos, teas, floriculture products, cotton, bast-fiber plants and food crops2) Main functions: a) Increasing resistance of crops: can greatly strengthen the ability of drought resistance, cold tolerance, disease-resistance and pest- resistance of crops, and prevent early-senescence b) Improving the soil: can increase humus, activate some nutrient elements in soil, improve the formation of soil aggregate structure and adjust soil acid-alkali equilibrium c) Increasing crop yield and peasant income: can enhance the yield of crop over 15%, which increases economic benefit d) Improving the quality: containing a lot of natural nutrients, physiological active substances and beneficial microorganisms, which include nitrogen fixation, phosphorus unbinding and potassium releasing role, and is beneficial to the production of high quality agricultural products, and avoids abnormal taste and poor quality caused by long-term use of chemical fertilizers availably3) Usage: a) Application quantity is generally 1kg per 667m2 during the whole growth period of the crop, applying (root irrigating or foliage spray) for 2 to 3 times b) Better to use with decomposed organic fertilizer as the basal fertilizer4) Mainly used for topdressing with the mixture of liquid fertilizer and water (1:100)5) Application concentration will be lower under high temperature