Assertion: urine's nitrogen | /r/HasProperty | essential plant nutrients
Facets:
value: for optimal plant growth
type: PURPOSE
Source sentences:
text: Urine contains nitrogen, phosphorus and potassium — essential plant nutrients that are usually mined from the earth or the air for agricultural use.
text: Although nitrogen is essential for optimal plant growth, too much nitrogen can kill plants.
text: Urine contains nitrogen, phosphorus and potassium — essential plant nutrients that are usually mined from the earth or the air for agricultural use.