has_part has part has role nitrogen fertilizer phosphorus fertilizer fertilizer dihydrogenphosphate ammonium salt ammonium dihydrogen phosphate Ammonium acid phosphate Ammonium biphosphate Ammonium diacid phosphate Ammonium dihydrogen orthophosphate Ammonium dihydrophosphate Ammonium monobasic phosphate Ammonium monophosphate Ammonium orthophosphate dihydrogen Dihydrogen ammonium phosphate Monoammonium acid phosphate Monoammonium dihydrogen orthophosphate Monoammonium dihydrogen phosphate Monoammonium hydrogen phosphate Monoammonium orthophosphate Monoammonium phosphate Monobasic ammonium phosphate Phosphoric acid, monoammonium salt Primary ammonium phosphate The ammonium salt of phosphoric acid (molar ratio 1:1). ammonium dihydrogen phosphate monoammonium phosphate