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Section VI · Chemical and allied industries
Fertilizers
24 subheadings in 5 headings. Open one for the published General, Special and Column 2 rates of every tariff line beneath it.
3101Animal or vegetable fertilizers, whether or not mixed together or chemically treated; fertilizers produced by the mixing or chemical treatment of animal or vegetable products
3102Mineral or chemical fertilizers, nitrogenous
- 3102.10Urea, whether or not in aqueous solution
- 3102.21Ammonium sulfate
- 3102.29Other
- 3102.30Ammonium nitrate, whether or not in aqueous solution
- 3102.40Mixtures of ammonium nitrate with calcium carbonate or other inorganic nonfertilizing substances
- 3102.50Sodium nitrate
- 3102.60Double salts and mixtures of calcium nitrate and ammonium nitrate
- 3102.80Mixtures of urea and ammonium nitrate in aqueous or ammoniacal solution
- 3102.90Other, including mixtures not specified in the foregoing subheadings
3103Mineral or chemical fertilizers, phosphatic
3104Mineral or chemical fertilizers, potassic
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 kg
- 3105.10Products of this chapter in tablets or similar forms or in packages of a gross weight not exceeding 10 kg
- 3105.20Mineral or chemical fertilizers containing the three fertilizing elements nitrogen, phosphorus and potassium
- 3105.30Diammonium hydrogenorthophosphate (Diammonium phosphate)
- 3105.40Ammonium dihydrogenorthophosphate (Monoammonium phosphate) and mixtures thereof with diammonium hydrogenorthophosphate (Diammonium phosphate)
- 3105.51Containing nitrates and phosphates
- 3105.59Other
- 3105.60Mineral or chemical fertilizers containing the two fertilizing elements phosphorus and potassium
- 3105.90Other
Source: U.S. International Trade Commission (USITC) — 2026 HTS Revision 12, released 2026-07-21. Listed rates are not always the rate collected — verify with your licensed customs broker.