... Acid Soil Conditioner Granule NPK: 3-5% , Humic acid : 70%-75%, Trace element: Ca, Mg, S, Cu, Zn,Mn, Mo Humic ... brown granule Diameter : 2-4mm Humic acid (dry base): 70%-75% Organic matter (dry base): 80%-85% NPK: 3-5% Trace ... -4mmSolubility in waterNot soluble in waterOdorodorlessHumic acid (dry basis)70-75%Organic matter (dry basis)80-85%Content of waterNaturePH value5 ...