1,Leonardite humic acid fertilizer super sodium humate flakes 2,Humic acid 65%min 3,Solubility:95%-99.99%min ... of High Grade Humate Super sodium humate Contains abundance of active functional groups such as carboxyls, quinonyls and phenolic hydroxyls; Soluble ... to production of liquid fertilizer; The nitrogen, phosphor, potassium and other trace elements added for necessary of plants, it can ...