has role phosphorus fertilizer phosphoric acid A phosphorus oxoacid that consists of one oxo and three hydroxy groups joined covalently to a central phosphorus atom. H3PO4 Orthophosphoric acid Phosphate Phosphoric acid Phosphorsaeure Phosphorsaeureloesungen [PO(OH)3] acide phosphorique acidum phosphoricum orthophosphoric acid phosphoric acid tetraoxophosphoric acid trihydrogen tetraoxophosphate(3-) trihydroxidooxidophosphorus fertilizer phosphate ion dihydrogenphosphate solvent phosphoric acids human metabolite algal metabolite