Soil Profile Notes
- Soil profile: Cross sectional soil layers from the surface of the soil down to the bedrock
- O Horizon (layer) :Surface layer composed of plant residue
- Four horizons ( O, A, B, and C)
- A Horizon: Upper most layer of soil (topsoil) contains hummus (decomposing material)
- B Horizon: (subsoil) plant roots penetrate this and less hummus and inorganic content
- C Horizon: (Parent Material)