Section VI — Products of the chemical or allied industries
Chapter 31 — Fertilizers
Heading
3103 Mineral or chemical fertilisers, phosphatic.
Common commodities
Calcium superphosphate fertilizerBasic Thomas slag phosphateHeat-treated natural rock phosphateThermophosphate calcium dihydrogen phosphatePhosphate mineral fertilizer with high P2O5 contentMonocalcium phosphate for agricultural useDicalcium phosphate dehydrate plant nutrientBasic slag phosphoric compoundCalcium ammonium phosphate superphosphatePhosphate fertilizer pellets with P2O5