| 3102.21.00 | 00 | Ammonium sulfate | t | Free | | Free |
| 3102.29.00 | 00 | Other | t | Free | | Free |
| 3102.30.00 | 00 | Ammonium nitrate, whether or not in aqueous solution | t | Free | | Free |
| 3102.40.00 | 00 | Mixtures of ammonium nitrate with calcium carbonate or other inorganic nonfertilizing substances | t | Free | | Free |
| 3102.50.00 | 00 | Sodium nitrate | t | Free | | Free |
| 3102.60.00 | 00 | Double salts and mixtures of calcium nitrate and ammonium nitrate | t | Free | | Free |
| 3102.80.00 | 00 | Mixtures of urea and ammonium nitrate in aqueous or ammoniacal solution | t | Free | | Free |
| 3102.90.01 | 00 | Other, including mixtures not specified in the foregoing subheadings | t | Free | | Free |
| 3103.10.00 | | Superphosphates | | Free | | Free |
| 3103.10.00 | 10 | Normal and enriched superphosphates, less than 40 percent available phosphorus pentoxide (P2O5) equivalent | t | | | |
| 3103.10.00 | 20 | Concentrated superphosphates, 40 percent or more available phosphorus pentoxide (P2O5) equivalent | t | | | |
| 3103.90.01 | 00 | Other | t | Free | | Free |
| 3104.20.00 | 00 | Potassium chloride | t | Free | | Free |
| 3104.30.00 | 00 | Potassium sulfate | t | Free | | Free |
| 3104.90.01 | 00 | Other | t | Free | | Free |
| 3105.10.00 | 00 | Products of this chapter in tablets or similar forms or in packages of a gross weight not exceeding 10 kg | kg | Free | | Free |
| 3105.20.00 | 00 | Mineral or chemical fertilizers containing the three fertilizing elements nitrogen, phosphorus and potassium | t | Free | | Free |
| 3105.40.00 | 50 | Other | t | | | |
| 3105.51.00 | 00 | Containing nitrates and phosphates | t | Free | | Free |
| 3105.59.00 | 00 | Other | t | Free | | Free |
| 3105.60.00 | 00 | Mineral or chemical fertilizers containing the two fertilizing elements phosphorus and potassium | t | Free | | Free |
| 3105.90.00 | | Other | | Free | | Free |
| 3105.90.00 | 10 | Potassium nitrate-sodium nitrate mixtures | t | | | |
| 3105.90.00 | 50 | Other | t | | | |
| 3201.10.00 | 00 | Quebracho extract | kg | Free | | Free |