Content: SiO≥11% Mo + B + Zn + Mn + Fe + Cu≥2% Ca≥4% Mg≥4% S≥6% peptide, two enzymes, enzyme polycarbonate, modified bacteria amount of this product is Professor Sun Liwen Three inventions patented technology, raw materials free of heavy metals, hormone-free, no residue, no pollution, soil inorganic make through transformation of the role of enzymes, can be converted into crops, absorption and utilization of organic matter, with a substantial increase, decrease crop diseases cropping effect. Specifications: 2.5kg / bag 4 bags / box Product Features: 1. Complement peptides metalloproteinases: promote early, increase production and improve quality. 2. fill enzyme disease prevention: anti-cropping, anti Wilt, reduce fertilizer damage injury. 3. fill in trace elements: thick straw, cold, lodging, increase grain weight. 4. Complement bacteria: activation of the soil, anti-compaction, Phosphorus and Potassium nitrogenase, improve fertilizer use efficiency. 5. Complement enzymes: promote rooting, strong seedlings seedling, waterlogging and drought, Mianshengeng.