1 We are professional manufacturer of NPK fertilizer 2 could produce and design NPK fertilizer as per client's deman soluble fertilizerProduct features ... (K2O) min8.04microelement(B,Fe,Mn,Zn,Cu,Mo) 5PH value(1% aqueous solution)5.5~8.5Neutral6chlorine(Cl) Cl content ... of soil and crop of fertilization, drip, spraying. offer Agriculture NPK fertilizer compound soluble