Chapter 31: Fertilizers

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

Urea, whether or not in aqueous solution

Solid urea

Other:

Diesel exhaust fluid (DEF) of a kind meeting ISO 22241

Other

Ammonium sulfate; double salts and mixtures of ammonium sulfate and ammonium nitrate:

Ammonium sulfate

Other

Ammonium nitrate, whether or not in aqueous solution

Mixtures of ammonium nitrate with calcium carbonate or other inorganic nonfertilizing substances

Sodium nitrate

Double salts and mixtures of calcium nitrate and ammonium nitrate

Mixtures of urea and ammonium nitrate in aqueous or ammoniacal solution

Other, including mixtures not specified in the foregoing subheadings

Superphosphates:

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

Other

Other

Potassium chloride

Containing not more than 62 percent by weight of potassium oxide (K2O)

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

Potassium sulfate

Other

Products of this chapter in tablets or similar forms or in packages of a gross weight not exceeding 10 kg

Mineral or chemical fertilizers containing the three fertilizing elements nitrogen, phosphorus and potassium

Diammonium hydrogenorthophosphate (Diammonium phosphate)

Ammonium dihydrogenorthophosphate (Monoammonium phosphate) and mixtures thereof with diammonium hydrogenorthophosphate (Diammonium phosphate)

Ammonium dihydrogenorthophosphate (Monoammonium phosphate)

Other

Other mineral or chemical fertilizers containing the two fertilizing elements nitrogen and phosphorus:

Containing nitrates and phosphates

Other

Mineral or chemical fertilizers containing the two fertilizing elements phosphorus and potassium

Other

Potassium nitrate-sodium nitrate mixtures

Other