horizon
(noun)
a soil layer with distinct physical and chemical properties that differ from those of other layers
Examples of horizon in the following topics:
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Physical Properties of Soil
- Soils are made up of combinations of four distinct layer types or horizons: O horizon, A horizon, B horizon, and C horizon.
- Soils are named and classified based on their horizons .
- Beneath the C horizon lies bedrock.
- This soil profile shows the different soil layers (O horizon, A horizon, B horizon, and C horizon) found in typical soils.
- The San Joaquin soil is a mature soil that has an O horizon, A horizon, B horizon, and C horizon.
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Soil Formation
- Within the soil profile, soil scientists define zones called horizons: a soil layer with distinct physical and chemical properties that differ from those of other layers.
- The soil profile contains defined zones called horizons whicht have distinct physical and chemical properties that differ from those of other layers.