Double-superphosphate; Triple-superphosphate; Other fertilisers based essentially on monocalcium phosphate

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Superphosphates, i.e. fertilisers produced by reacting rock or bone phosphates with sulfuric or phosphoric acid in such amounts and concentrations as to yield solid products directly > Double-superphosphate; Triple-superphosphate; Other fertilisers based essentially on monocalcium phosphate