Assertion: earthworm | /r/CapableOf | begin mixing surface litter
Facets:
Source sentences:
text: (Lumbricus terrestris and Aporrectodea caliginosa); and Langmaid’s (1964) observations on the changes in the top 6 inches of the profiles of forested virgin podzols in Canada, 1 year after earthworm introduction; F, H, and Ae horizons disappeared and were replaced by Ap horizons as earthworms colonized these soils and began mixing and incorporating surface litter into the soil.