1.manufacturer of DAP21-53-0 2.100%water soluble 3.Nutrigation and foliar feeding of all crops, 4.fire ... dedicated to the production of NPK fertilizers, MKP, MAP, DAP, Potassium Nirate Speciality Fertilizers, Special Glass and Powder.Synonyms:Ammonium phosphateMolecular ... basic raw material for N, P and K compound fertilizer. 100% water soluble diammonium phosphateDAP21-53-0