Answer in Brief
Give an account on different layers of soil.
Layers of soil
|O – Horizon or humus||This layer is dominated by organic material (leaves, needles, twigs, moss, and lichens)|
|A – Horizon or Top soil||It is a part of top soil composed of organic matter mixed with mineral matter.|
|E – Horizon or Elevated layer||E – stands for elevated layer. This layer is significantly leached of clay, iron, and aluminum oxides, which leaves a concentration of ore.|
|B – Horizontal or sub-soil||This layer reflects the chemical or physical alternation or parent material. Thus iron, clay, aluminium, and organic compounds are found accumulated in the Horizon.|
|C – Horizon or Parent Rock||Partially weathered parent material accumulates in this layer.|
|R – Horizon or Parent Rock||This layer consists of unweathered part of bed rock.|
Concept: Soil and Its Formation
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