humus

  1. Home
  2. top of the aat hierarchies
  3. Materials Facet
  4. Materials (hierarchy name)
  5. materials (substances)
  6. [materials by composition]
  7. combination inorganic/organic material
  8. soil
  9. [soil by composition or origin]
  10. humus
Scope note
Dark brown or black non-living organic substance derived from microbial decomposition of plant and animal substances on the surface of the earth. Living plants derive nutrients from the forms created by this decomposition.
humus
Accepted term: 18-Nov-2024