3103 | | Mineral or chemical fertilizers, phosphatic: | | | | |
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 |