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Nitrogen Sources

Source Material Percent Nitrogen (N)
Anhydrous ammonia 82
Aqua ammonia 20-25
Ammonium nitrate 33.5-34
Ammonium nitrate-sulfate 26
Ammonium nitrate/lime 20.5
Ammonium sulfate 21
Urea-ammonium nitrate solution (UAN) 28-32
Ammonium chloride 26
Urea 46
Monoammonium phosphate (MAP) 10-11
Diammonium phosphate (DAP) 18
Sodium nitrate 16
Potassium nitrate 13
Calcium nitrate 15.5
Sulfur-coated urea 39
Urea-formaldehyde 38


Source - Potash and Phosphate Institute
 
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