1)Specification powder,granular,column Humic acid (dry base) : 55%min Organic matter (dry base) : 65%min NPK: 5% Trace element: Ca, ...Explore More
1)Specification Appearance: black brown powder/granular/shiny granule Size: 60-80 mesh/2-4mm Humic acid (dry base) : 50%- 55% Organic matter ...Explore More
