Soil Horizon Diagram
Soil Horizon Diagram. A soil horizon is a layer parallel to the soil surface whose physical, chemical and biological characteristics differ from the layers above and beneath. Organic Horizons: The Different Soil Horizons Explained in the Simplest Way Possible.
They range from rich, organic upper layers (humus and topsoil) to underlying rocky layers ( subsoil, regolith and bedrock).
This layer is very thin and is usually pretty dark.
The soil is arranged in layers or horizons during its formation. A soil horizon is a layer parallel to the soil surface whose physical, chemical and biological characteristics differ from the layers above and beneath. Each horizon of soil may be different from the other hori-zons in physical or chemical ways.
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