Assertion: earthworm's burrow | /r/CapableOf | help to produce soil
Facets:
value: by concentrating minerals
type: MANNER
value: by mixing organic and mineral matter
type: MANNER
Source sentences:
text: The burrowers loosen the soil so that oxygen and water can penetrate it, and both surface and burrowing worms help to produce soil by mixing organic and mineral matter, by accelerating the decomposition of organic matter and thus making it more quickly available to other organisms, and by concentrating minerals and converting them to forms that plants can use more easily.