Assertion: biome's soil | /r/HasProperty | rich
Facets:
value: in nutrients
type: OTHER
value: very
type: DEGREE
Source sentences:
text: Since grassland biomes have rich soil, much of them are used for farming.
text: Also, humidity is high, and the soils are rich in nutrients because of the availability of high organic matter.
text: The soil in the grassland is very rich in nutrients