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Humic Acid Potassium Salt Water Soluble Fertilizer
Specification:
Items | Standard |
Total Nitrogen | 1-1.3% |
Water soluble Humic Acid (Dry basis) | 80% min. |
Organic matter | 90% min. |
Potassium (K2O) | 10% min. |
Solubility | 99% min. |
Moisture | 6% max. |
Appearance | 10-20 Mesh powder/Shiny Flakes |
S | 0.2%-0.3% |
Ca | 0.5% max. |
Mg | 0.05% max. |
Fe | 1500 mg/kg max. |
Si | 10 mg/kg max. |
Cu | 5 mg/kg max. |
B | 200 mg/kg max. |
Co | 0.5 mg/kg max. |
Pb | 10 mg/kg max. |
As | 2 mg/kg max. |
Hg | 1 mg/kg max. |
Ni | 7 mg/kg max. |
PH | 8.0-10.0 |


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