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Locate the following zones given as boxed items in figure which shows a diagram of soil profile.
Top soil, Subsoil, C-horizon, Bedrock
Top soil, Subsoil, C-horizon, Bedrock
A vertical section through different soil layers is called the soil profile. Each layer has various textures, colours, depths, and chemical compositions, and these layers are called .
(i). Topsoil or A Horizon: This layer is called the topsoil and forms the horizon. It is rich in humus and minerals and dark in colour. This layer is and can retain more water.
(ii). Subsoil or B Horizon: It is called the layer. It is harder and more compact. It has a lesser amount of humus but more minerals.
(iii). C- Horizon: It comprises small lumps of with cracks and crevices.
(iv). Bedrock: This is the -most layer. It is made up of hard rocks, and hence, it is very hard and difficult to dig further.
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