... 8-10% pH: 9-11 Trace element: Ca, Mg, S, Cu, Zn, Mn, Mo 2) Package: 10kg/PP ... can improve plant trunk content of potassium ratio and absorbing potassium amount, reduce the bad effect ... of agricultural products. 2. Compound with Urea(N. ) and P. To Humic Acid organic inorganic compounded fertilizer ... physical and chemical character, increase soil hold water feature and breathe freely feature. So it's the ...