Chapter 31: 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
Browse official US Harmonized Tariff Schedule headings for this chapter.
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
3102Urea, whether or not in aqueous solution
3102.10.0010Mineral or chemical fertilizers, nitrogenous: > Urea, whether or not in aqueous solution > Solid urea3102.10.0030Mineral or chemical fertilizers, nitrogenous: > Urea, whether or not in aqueous solution > Diesel exhaust fluid (DEF) of a kind meeting ISO 222413102.10.0050Mineral or chemical fertilizers, nitrogenous: > Urea, whether or not in aqueous solution > Other3102.21.0000Mineral or chemical fertilizers, nitrogenous: > Ammonium sulfate3102.29.0000Mineral or chemical fertilizers, nitrogenous: > Other3102.30.0000Mineral or chemical fertilizers, nitrogenous: > Ammonium nitrate, whether or not in aqueous solution3102.40.0000Mineral or chemical fertilizers, nitrogenous: > Mixtures of ammonium nitrate with calcium carbonate or other inorganic nonfertilizing substances3102.50.0000Mineral or chemical fertilizers, nitrogenous: > Sodium nitrate3102.60.0000Mineral or chemical fertilizers, nitrogenous: > Double salts and mixtures of calcium nitrate and ammonium nitrate3102.80.0000Mineral or chemical fertilizers, nitrogenous: > Mixtures of urea and ammonium nitrate in aqueous or ammoniacal solution3102.90.0100Mineral or chemical fertilizers, nitrogenous: > Other, including mixtures not specified in the foregoing subheadings
3103Containing by weight 35 percent or more of diphosphorous pentaoxide (P<sub>2</sub>O<sub>5</sub>)
3104Potassium chloride
3104.20.0010Mineral or chemical fertilizers, potassic: > Potassium chloride > Containing not more than 62 percent by weight of potassium oxide (K<sub style="font-size: 9.75px;">2</sub>O)3104.20.0050Mineral or chemical fertilizers, potassic: > Potassium chloride > Containing more than 62 percent by weight of potassium oxide (K<sub style="font-size: 9.75px;">2</sub>O)3104.30.0000Mineral or chemical fertilizers, potassic: > Potassium sulfate3104.90.0100Mineral or chemical fertilizers, potassic: > Other
3105Products of this chapter in tablets or similar forms or in packages of a gross weight not exceeding 10 kg
3105.10.0000Mineral 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: > Products of this chapter in tablets or similar forms or in packages of a gross weight not exceeding 10 kg3105.20.0000Mineral 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: > Mineral or chemical fertilizers containing the three fertilizing elements nitrogen, phosphorus and potassium3105.30.0000Mineral 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: > Diammonium hydrogenorthophosphate (Diammonium phosphate)3105.40.0010Mineral 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: > Ammonium dihydrogenorthophosphate (Monoammonium phosphate) and mixtures thereof with diammonium hydrogenorthophosphate (Diammonium phosphate) > Ammonium dihydrogenorthophosphate (Monoammonium phosphate)3105.40.0050Mineral 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: > Ammonium dihydrogenorthophosphate (Monoammonium phosphate) and mixtures thereof with diammonium hydrogenorthophosphate (Diammonium phosphate) > Other3105.51.0000Mineral 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: > Containing nitrates and phosphates3105.59.0000Mineral 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: > Other3105.60.0000Mineral 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: > Mineral or chemical fertilizers containing the two fertilizing elements phosphorus and potassium3105.90.0010Mineral 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: > Other > Potassium nitrate-sodium nitrate mixtures3105.90.0050Mineral 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: > Other > Other