Assertion: urine | /r/HasProperty | collected for use
Facets:
value: as a fertiliser in agriculture
type: PURPOSE
Source sentences:
text: If urine is to be separated and collected for use as a fertiliser in agriculture, then the easiest method of doing so is with sanitation systems that utilise waterless urinals, urine-diverting dry toilets (UDDTs) or urine diversion flush toilets.