- USK GROUP OF COMPANIES
Gazette notification no & date- SO.3741 (E) Dated- 13.8.2025
Title of Biostimulant
Humic acids 40% (Powder)
Composition :
| S.No | Ingredients | Content |
| 1 | Humic substances (Source: Leonardite) per cent. by weight, minimum | 75 |
| 2 | Potash per cent. by weight, minimum | 4 |
| 3 | Precipitated Silica (Anticakingagent) per cent. by weight, minimum | 5 |
| 4 | Moisture per cent. by weight, minimum | 16 |
| 5 | Total (per cent.) | 100 |
Specifications :
| S.No | Parameters | Value |
| 1 | Humic acid per cent. by weight, minimum | 40 |
| 2 | pH (1% aqueous solution) | 8.5-11.5 |
| 3 | Bulk density (g/cc) | 0.85-1.05 |
| 4 | Total organic carbon per cent. by weight, minimum | 20 |
| 5 | Solubility per cent. by weight, minimum | 80 |
a) Name of crop: Soybean and Paddy
B) Dose: As given in table below
| S.No | Crop | Dose |
| 1 | Soybean | Two soil applications at 625 g/ha |
| 2 | Paddy | Two soil applications at 625 g/ha |
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