... Application:1.In agriculture,used for nitrogen fertilizer.It is a kind of action fertilizer,which can make crops thrive and ... basic fertilizer,Additionial fertilizer and seed manure.It can be suitable specially for soil with, lack of sulfer,but for acid soil,ammonium ... industry,it is for raw material in making oxydol,ammonium-alum and ammonium chlorde4.In welding industry,used for welding agent5. ...