In soil profile “B” horizon corresponds to which zone?Options :Parent materialTop soilSubsoilHumus
Question
In soil profile “B” horizon corresponds to which zone?
- Options :
- Parent material
- Top soil
- Subsoil
- Humus
Solution
To determine which zone the "B" horizon corresponds to in the soil profile, we need to understand the different soil horizons.
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The parent material refers to the unweathered rock or sediment from which the soil is formed. It is usually found in the lowermost part of the soil profile.
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The topsoil, also known as the "A" horizon, is the uppermost layer of soil. It is rich in organic matter and nutrients and is where most of the plant roots are found.
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The subsoil, or "C" horizon, is located beneath the topsoil. It contains less organic matter and nutrients compared to the topsoil.
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Humus is the organic matter that has decomposed in the soil. It is usually found in the upper layers of the soil profile.
Based on this information, we can conclude that the "B" horizon corresponds to the subsoil zone in the soil profile.
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