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ITEMS | |
1. Appearance | black brown liquid |
2. Water-solubility (dry basis) | 100% |
3. Humic acid (dry basis) | 11.0%min |
4. Fulvic acid (dry basis) | 11.0%min |
5. Potassium (k2o dry basis) | 2.5%min |
6. PH | 8.0-10.0 |











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