Assertion: compost's material | /r/MadeOf | nitrogen
Facets:
Source sentences:
text: The key ingredients to successful garden composting are: The right mix of materials containing Nitrogen (Greens) and Carbon (Browns).
text: Now in addition to water and oxygen, you’ll want to do your best to add appropriate materials containing both nitrogen and carbon.
text: Green material contains nitrogen, something that plants need to grow.