美国 · 第 31· 33 条目
§31肥料
本章品目（4 位 WCO 统一）
5 个品目
美国 税号（前 33 条）
本章共 33 条，| HS 编码 | 商品描述 | 首要税率 | |
|---|---|---|---|
| 31010000 | 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 | Free | → |
| 3102.10.00 | Urea, whether or not in aqueous solution | Free | → |
| 3102.10.00.10 | Solid urea | Free | → |
| 3102.10.00.30 | Diesel exhaust fluid (DEF) of a kind meeting ISO 22241 | Free | → |
| 3102.10.00.50 | Other | Free | → |
| 31022100 | Ammonium sulfate | Free | → |
| 31022900 | Other | Free | → |
| 31023000 | Ammonium nitrate, whether or not in aqueous solution | Free | → |
| 31024000 | Mixtures of ammonium nitrate with calcium carbonate or other inorganic nonfertilizing substances | Free | → |
| 31025000 | Sodium nitrate | Free | → |
| 31026000 | Double salts and mixtures of calcium nitrate and ammonium nitrate | Free | → |
| 31028000 | Mixtures of urea and ammonium nitrate in aqueous or ammoniacal solution | Free | → |
| 31029001 | Other, including mixtures not specified in the foregoing subheadings | Free | → |
| 31031100 | Containing by weight 35 percent or more of diphosphorous pentaoxide (P2O5) | Free | → |
| 31031900 | Other | Free | → |
| 31039001 | Other | Free | → |
| 3104.20.00 | Potassium chloride | Free | → |
| 3104.20.00.10 | Containing not more than 62 percent by weight of potassium oxide (K2O) | Free | → |
| 3104.20.00.50 | Containing more than 62 percent by weight of potassium oxide (K2O) | Free | → |
| 31043000 | Potassium sulfate | Free | → |
| 31049001 | Other | Free | → |
| 31051000 | Products of this chapter in tablets or similar forms or in packages of a gross weight not exceeding 10 kg | Free | → |
| 31052000 | Mineral or chemical fertilizers containing the three fertilizing elements nitrogen, phosphorus and potassium | Free | → |
| 31053000 | Diammonium hydrogenorthophosphate (Diammonium phosphate) | Free | → |
| 3105.40.00 | Ammonium dihydrogenorthophosphate (Monoammonium phosphate) and mixtures thereof with diammonium hydrogenorthophosphate (Diammonium phosphate) | Free | → |
| 3105.40.00.10 | Ammonium dihydrogenorthophosphate (Monoammonium phosphate) | Free | → |
| 3105.40.00.50 | Other | Free | → |
| 31055100 | Containing nitrates and phosphates | Free | → |
| 31055900 | Other | Free | → |
| 31056000 | Mineral or chemical fertilizers containing the two fertilizing elements phosphorus and potassium | Free | → |
| 3105.90.00 | Other | Free | → |
| 3105.90.00.10 | Potassium nitrate-sodium nitrate mixtures | Free | → |
| 3105.90.00.50 | Other | Free | → |