Assertion: urea | /r/MadeOf | nitrogen
Facets:
value: in amide form
type: OTHER
Source sentences:
text: Urea is considered an effective feed, since it contains nitrogen, which can aid animal growth.
text: Urea is a chemical product containing nitrogen that is produced more than 140,000,000 tons per year worldwide, of which more than 90% of the world’s production is used as a fertilizer.
text: Urea, however, contains nitrogen in amide form but this form of nitrogen is swiftly converted by soil micro-organisms into ammonical form and then into nitrate form.