// definition
Urea
Nitrogen fertilizer containing 46% nitrogen
Short definition
A nitrogen fertilizer sold as prills or granules. The standard product contains 46% nitrogen by mass, so 100 tonnes of urea provide 46 tonnes of nitrogen. That concentration measures neither crop uptake nor yield, which also depend on soil and application conditions.
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Primary sources
- University of Minnesota Extension, Fertilizer urea46% nitrogen content and application conditions; no local application recommendation inferred.