Humizone® Hi-Pure FA (Fulvic Acid) is a plant growth regulator, and it is a kind of short carbon chain molecule extractible from the natu-ral Leonardite or peat, with high loading capacity and biological activity. Humizone® FA is brown powder with an excellent solubility. It is soluble in water, fertilizers and pesticide spray solutions easily. Mainly used for wheat, corn, sweet potatoes, millet, rice, cotton, peanuts, rape-seed, tobacco, sericulture, fruits, vegetables and so on.