HS Code Chapter 31: Fertilizers

24 US tariff rates in this chapter. 24 are duty-free.

Headings in Chapter 31

Animal or vegetable fertilizers, whether or not mixed together or chemically tre

Ammonium nitrate, whether or not in aqueous solution

Containing by weight 35 percent or more of diphosphorous pentaoxide (P2O5)

Containing more than 62 percent by weight of potassium oxide (K2O)

Containing nitrates and phosphates

Showing 30 of 24 rates. View all

HS Code	Description	General Rate
3101000000	Animal or vegetable fertilizers, whether or not mixed togeth	Free
31021000	Urea, whether or not in aqueous solution	Free
3102210000	Ammonium sulfate	Free
3102290000	Other	Free
3102300000	Ammonium nitrate, whether or not in aqueous solution	Free
3102400000	Mixtures of ammonium nitrate with calcium carbonate or other	Free
3102500000	Sodium nitrate	Free
3102600000	Double salts and mixtures of calcium nitrate and ammonium ni	Free
3102800000	Mixtures of urea and ammonium nitrate in aqueous or ammoniac	Free
3102900100	Other, including mixtures not specified in the foregoing sub	Free
3103110000	Containing by weight 35 percent or more of diphosphorous pen	Free
3103190000	Other	Free
3103900100	Other	Free
31042000	Potassium chloride	Free
3104300000	Potassium sulfate	Free
3104900100	Other	Free
3105100000	Products of this chapter in tablets or similar forms or in p	Free
3105200000	Mineral or chemical fertilizers containing the three fertili	Free
3105300000	Diammonium hydrogenorthophosphate (Diammonium phosphate)	Free
31054000	Ammonium dihydrogenorthophosphate (Monoammonium phosphate) a	Free
3105510000	Containing nitrates and phosphates	Free
3105590000	Other	Free
3105600000	Mineral or chemical fertilizers containing the two fertilizi	Free
31059000	Other	Free

Disclaimer: Tariff rates are sourced from the USITC. For informational purposes only, not legal advice.