... Ammonium sulfate, (4)24, is an inorganic with a number of commercial uses. The most common use is as a soil fertilizer ... . It contains 21% nitrogen as , and 24% sulfur as . In fertilizer the purpose of the sulfate is ... lowering the balance of the (as do other sulfate compounds such as ), while contributing essential for ... (amine), glyphosate, and glufosinate herbicides. Ammonium Sulfate