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Chapter 31: Fertilizers
Browse verified, indexable HTS detail pages in this chapter. Each record links to base duty, source URL, retrieval date, and review boundaries. Mineral and chemical fertilizers and mixtures.
18 indexable codes
Common headings on this page
3101 · 13102 · 83103 · 13104 · 23105 · 6
HTS detail pages
3101.00.00.00
Animal or vegetable fertilizers, whether or not mixed together or chemically treated; fertilizers produced by the mixing or chemical treatment of animal or vegetable products
Base rate: FreeSource retrieved: 2026-06-15
3102.10.00
Urea, whether or not in aqueous solution
Base rate: FreeSource retrieved: 2026-06-15
3102.21.00.00
Ammonium sulfate
Base rate: FreeSource retrieved: 2026-06-15
3102.30.00.00
Ammonium nitrate, whether or not in aqueous solution
Base rate: FreeSource retrieved: 2026-06-15
3102.40.00.00
Mixtures of ammonium nitrate with calcium carbonate or other inorganic nonfertilizing substances
Base rate: FreeSource retrieved: 2026-06-15
3102.50.00.00
Sodium nitrate
Base rate: FreeSource retrieved: 2026-06-15
3102.60.00.00
Double salts and mixtures of calcium nitrate and ammonium nitrate
Base rate: FreeSource retrieved: 2026-06-15
3102.80.00.00
Mixtures of urea and ammonium nitrate in aqueous or ammoniacal solution
Base rate: FreeSource retrieved: 2026-06-15
3102.90.01.00
Other, including mixtures not specified in the foregoing subheadings
Base rate: FreeSource retrieved: 2026-06-15
3103.11.00.00
Containing by weight 35 percent or more of diphosphorous pentaoxide (P2O5)
Base rate: FreeSource retrieved: 2026-06-15
3104.20.00
Potassium chloride
Base rate: FreeSource retrieved: 2026-06-15
3104.30.00.00
Potassium sulfate
Base rate: FreeSource retrieved: 2026-06-15
3105.10.00.00
Products of this chapter in tablets or similar forms or in packages of a gross weight not exceeding 10 kg
Base rate: FreeSource retrieved: 2026-06-15
3105.20.00.00
Mineral or chemical fertilizers containing the three fertilizing elements nitrogen, phosphorus and potassium
Base rate: FreeSource retrieved: 2026-06-15
3105.30.00.00
Diammonium hydrogenorthophosphate (Diammonium phosphate)
Base rate: FreeSource retrieved: 2026-06-15
3105.40.00
Ammonium dihydrogenorthophosphate (Monoammonium phosphate) and mixtures thereof with diammonium hydrogenorthophosphate (Diammonium phosphate)
Base rate: FreeSource retrieved: 2026-06-15
3105.51.00.00
Containing nitrates and phosphates
Base rate: FreeSource retrieved: 2026-06-15
3105.60.00.00
Mineral or chemical fertilizers containing the two fertilizing elements phosphorus and potassium
Base rate: FreeSource retrieved: 2026-06-15