1) Specification
Appearance: black shiny granule (coated with fulvic acid)
Diameter: 2-4mm
Humic acid (dry base): 70%-75%
Organic matter (dry base): 80%-85%
NPK: 3-5%
Trace element: Ca, Mg, S, Cu, Zn, Mn, Mo
2) Package: 25kg/PP.woven bag or 25kg/kraft paper bag