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1) Specification Appearance: black brown powderSize: 60-80 mesh Water-solubility: 95%-97% Humic acid (dry base): 55%-60% Potassium content (K2O): 12%-14%PH:9-11 2) Packa
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1) Specification Appearance: black brown powderSize: 60-80 mesh Water-solubility: 95%-97%Humic acid (dry base): 55%-60% Potassium content (K2O): 14%-16%PH:9-11 2) Packa
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1) Specification Appearance: black brown powderSize: 60-80 mesh Water-solubility: 95%-97% Humic acid (dry base): 55%-60% Potassium content (K2O): 6%-8%PH:9-11 2) Package
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