Virginia No-Till Fact Sheet Series. Number Six, Nitrogen Fertilizer Sources and Properties
Alley, Marcus M., 1947-
Thomason, Wade Everett
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The most commonly available nitrogen fertilizer sources used in Virginia are urea, liquid urea-ammonium nitrate (UAN) solution, and ammonium sulfate. Ammonium nitrate is also available in some areas but its use is low relative to urea and UAN solution. Understanding the properties of these fertilizers enables managers to make better decisions as to the most effective way to use these fertilizers as well as to make economic comparisons.