Mineral potassium fulvate, derived from high grade high grade leonardite, containing high mineral fulvic which is super micro molecule with highest active groups carboxyl, hydroxyl, carbonyl, quinone,etc. it can be regards as DHA for the soil.
ITEM | STANDARD | |||
---|---|---|---|---|
Ⅰ | Ⅱ | Ⅲ | Ⅳ | |
Humic Acid (dry basis) | ≥60.0% | ≥50.0% | ≥50.0% | ≥70.0% |
Fulvic Acid (dry basis) | ≥5.0% | ≥10.0% | ≥30.0% | ≥10.0% |
K2O (dry basis) | ≥10.0% | ≥12.0% | ≥12.0% | ≥12.0% |
Water Solubility | ≥95% | ≥98% | ≥100% | ≥98.0% |
PH | 9.0-11.0 | 9.0-11.0 | 9.0-11.0 | 9.0-11.0 |
Appearance | Powder, Flake | |||
Packing | 1Kg, 10Kg, 25Kg or upon request |