Soil Composition

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Across
  1. 3. ; the soil lying immediately under the surface soil.
  2. 6. ; decomposing but recognizable leaves and other debris forming a layer on top of the soil, especially in forests.
  3. 7. ; an organism, especially a soil bacterium, fungus, or invertebrate, that decomposes organic material.
  4. 8. ; a fertile soil of clay and sand containing humus.
  5. 9. Horizon ; A layer of soil, approximately. parallel to the surface, having distinct characteristics produced by soil-forming processes.
Down
  1. 1. ; the organic component of soil, formed by the decomposition of leaves and other plant material by soil microorganisms.
  2. 2. ; “skin of the earth.”
  3. 4. ; the top layer of soil.
  4. 5. ; The solid rock underlying loose deposits such as soil or alluvium.