BFA-C is short for ammonium fulvic acid. It is light yellow dry powder. Thereinto, Fulvic acid ≥80%, ammonium N ≥6%, moisture ≤5%, pH 5-6, Water insoluble substance ≤1-3%, fineness ≤120 mesh. In addition, it contains nucleic acid, polysaccharide, vitamine, multienzyme protein, endogenous hormones and bioactive acid etc. 1、It has very strong chelation; expecially, obviously improve the functions of surface activity, biology activity and ion exchange, it gets to new level to chelate bivalent cation; 2、It is anti-drought, anti-contrary, prevents diseases, improves growth, amends soil, enhances fertility, improves quality, strengthen enzyme activity, promotes root and sprout, good at accumulating solid substances etc. 3、 It is used as carrier, principal part and additive for various of fertilizers, is separately applied in foliar fertilizer, flushing fertilizer, organic fertilizer, plant nutrition liquid, drought fighter, seed mixture, and the synergist of pesticide and chemical fertilizer etc; obviously improve their effect of use.