Selected with camellia meal, rapeseed meal, walnut meal and other main materials, made of plant source organic fertilizer through high temperature fermentation and decomposition as the core raw materials, nutrient comprehensive, mild release, fertilizer effect lasting. · Pyrolytic biomass: adding organic macromolecular substances that can improve soil microecological environment and reduce soil heavy metal activity: camellia meal extract is a natural living substance with antibacterial and disease resistance functions.