HTS Chapter 31
Fertilizers
Chapter 31 of the Harmonized Tariff Schedule of the United States has 4 four-digit headings. Choose one to see every tariff line with its general (MFN), special (free trade agreement) and Column 2 duty rate, then run a full estimate including Chapter 99 tariffs and fees.
Rates from the 2026 HTS Revision 22, effective October 30, 2026. Source: U.S. International Trade Commission.
- 3102Mineral or chemical fertilizers, nitrogenousGeneral: Free
- 3103Mineral or chemical fertilizers, phosphaticGeneral: Free
- 3104Mineral or chemical fertilizers, potassicGeneral: Free
- 3105Mineral 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 kgGeneral: Free