Ammonium sulphate is one of the most widely used nitrogen fertilizers.  Ammonium sulphate  provides an equal balance of nitrogen and sulphur and can make crops thrive and improve fruit quality and yield and also strengthen resistance to disaster .  Ammonium sulphate is the best fast releasing, quick acting and can be used directly for a wide range of soil and crops, and also as seed fertilizers, base fertilizer and additional fertilizer. 
The advantages of Ammonium sulfate fertilizer
(1) Can be used as nitrogen fertilizer and sulfur fertilizer.
(2) (NH4)2SO4 is suitable for the production of low concentration of compound fertilizer .Comparing to other varieties of nitrogen fertilizer such as Urea, it has advantages of good granulation performance advantages and without chloride ions.
(3)In addition, with excellent solubility, ammonium sulfate can form a high salt environment to make a preparing for the protein precipitation and subsequent high salt purification.