1. Appearance: Dark powder or granule
2. Mineral source: Weathered coal, lignite and peat, etc.
3.Specifications:
Quality standards：HG/T 5334-2018
| Item Index | Superior | First | Qualified |
| product | grade | product | |
| Fluorescence excitation wavelength/emission wavelength, nm | 460~470/530~540 | ||
| Fulvic acid potassium content (dry basis), wt%≥ | 50 | 40 | 30 |
| Potassium hydroxide (K2O) content (dry basis), wt%≥ | 8 | ||
| Water insolubles (dry basis), wt%≤ | 8 | ||
| pH(1:100 times dilution) | 4.0-11.0 | ||
| Moisture , wt%≤ | 15 | ||
4.1. To stimulate plant growth and development
4.2. Improve the utilization rate of fertilizer nutrients
4.3. Improve plant resistance
4.4. Improving the quality of agricultural products
4.5. To improve the soil
5. Packaging: Net 25kg plastic bags or paper drums. can also package according to customer request
6. Usage:
6.1 Applicable crops: widely used in grape, vegetables, melons and fruits, strawberries, peppers, flowers, peanuts, garlic, potatoes, sweet potatoes, yam, sweet potato, mulberry, tea, camellia, ginger, fruit trees, economic crops; Rice, maize, cotton, rapeseed, soybean, wheat and other field crops also recommended or fertilizer use.
6.2. Application methods:
a.Solanaceous class: drip irrigation, blunt, dosage300-400g/mu, blended with conventional NPK fertilization, 7 - 15 days between each use.
b.Leaf vegetables class: drip irrigation, blunt, dosage.200-300g/mu, blended with conventional NPK fertilization, 10 - 15 days between each use.
c.Fruit class: amount 2-4 kg/mu, blended with conventional NPK fertilization, adjust the usage in accordance with the fruit size, topdressing or drip irrigation also can be used as fertilizers applied.
d. Diluted multiples:fruit and vegetable class 6000-8000 times liquid spray, 7500 times liquid of corn, wheat, 15000 times liquid spray, fruit and vegetable class 3000-5000 times liquid spray. On the basis of different crops, usage can make appropriate adjustments.
7. Storage: Stored in sealed and damp-proof place
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