How does one calculate the pounds of nitrogen in ammonium sulfate and ammonium nitrate?

Gardens & Landscapes April 21, 2011|Print
Ammonium sulfate is 21 percent nitrogen, and ammonium nitrate is 33 percent nitrogen. Hence, if you have 100 pounds of ammonium sulfate, you have 21 pounds of actual nitrogen, 33 pounds of nitrogen with nitrate.

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