Studies have shown that surface-applied urea loses a significant amount of nitrogen due to ammonia volatilization in cold weather, even under freezing conditions.
A 2011 Montana State University study found that nitrogen loss to ammonia volatilization occurs even in subfreezing temperatures. Urea hydrolysis is a chemical reaction that is not as dependent on temperature as a biological reaction. Across the 12 campaigns, the average ammonia volatilization loss was 21 percent from untreated urea compared to less than 7 percent with AGROTAIN®-treated urea. Click here to see more.
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