Assertion: urea's use | /r/HasProperty | important
Facets:
value: for birds' growth performance
type: PURPOSE
Source sentences:
text: Urea has important uses as a fertilizer and feed supplement, as well as a starting material for the manufacture of plastics and drugs.
text: Efficient use of the crop in case of digesta retention time is essential for birds' growth performance.
text: Urea has important uses as a fertilizer and animal-feed supplement as well as a starting material for the manufacture of plastics and drugs.