# HTS 3105: Mineral or chemical fertilizers containing two or three of the fertilizing elements nitrogen, phosphorus and potassium; other fertilizers; goods of this chapter in tablets or similar forms or in packages of a gross weight not exceeding 10 kg:

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Source: [2026 HTS Revision 21 (October 9, 2026)](https://hts.usitc.gov/search?query=3105). Additional duties by country of origin may apply; estimate a shipment's full duty with the tariff calculator: https://geopax.app/tariffs/calculator

## 3105: Mineral or chemical fertilizers containing two or three of the fertilizing elements nitrogen, phosphorus and potassium; other fertilizers; goods of this chapter in tablets or similar forms or in packages of a gross weight not exceeding 10 kg:

| Code | Description | General | Special | Column 2 | Units |
| --- | --- | --- | --- | --- | --- |
| 3105 | Mineral or chemical fertilizers containing two or three of the fertilizing elements nitrogen, phosphorus and potassium; other fertilizers; goods of this chapter in tablets or similar forms or in packages of a gross weight not exceeding 10 kg: |  |  |  |  |
| 3105.10.00.00 |   Products of this chapter in tablets or similar forms or in packages of a gross weight not exceeding 10 kg | Free |  | Free | kg |
| 3105.20.00.00 |   Mineral or chemical fertilizers containing the three fertilizing elements nitrogen, phosphorus and potassium | Free |  | Free | t |
| 3105.30.00.00 |   Diammonium hydrogenorthophosphate (Diammonium phosphate) | Free |  | Free | t |
| 3105.40.00 |   Ammonium dihydrogenorthophosphate (Monoammonium phosphate) and mixtures thereof with diammonium hydrogenorthophosphate (Diammonium phosphate) | Free |  | Free |  |
| 3105.40.00.10 |     Ammonium dihydrogenorthophosphate (Monoammonium phosphate) | Free |  | Free | t |
| 3105.40.00.50 |     Other | Free |  | Free | t |
|  |   Other mineral or chemical fertilizers containing the two fertilizing elements nitrogen and phosphorus: |  |  |  |  |
| 3105.51.00.00 |     Containing nitrates and phosphates | Free |  | Free | t |
| 3105.59.00.00 |     Other | Free |  | Free | t |
| 3105.60.00.00 |   Mineral or chemical fertilizers containing the two fertilizing elements phosphorus and potassium | Free |  | Free | t |
| 3105.90.00 |   Other | Free |  | Free |  |
| 3105.90.00.10 |     Potassium nitrate-sodium nitrate mixtures | Free |  | Free | t |
| 3105.90.00.50 |     Other | Free |  | Free | t |