Question

Write a short note on Layers of soil​

Answer 1

Answer:

Write a short note on Layers of soil

Explanation:

The soil is found in layers, which are arranged during the formation of soil. These layers called horizons, the sequence of layers is the soil profile. The layers of soil can easily be observed by their color and size of particles. The main layers of the soil are topsoil, subsoil and the parent rock.

Answer 2

Answer:

Layers of soil

⇝ O - Horizon

• Upper Layer of the soil
• composed of organic colors
• Black Brown in colour

⇝ A - Horizon [or] Topsoil

• rich in organic material and is known as the humus layer.
• consists of both organic matter and other decomposed materials.

• soft and porous to hold enough air and water.

⇝  E - Horizon

• composed of nutrients leached from the O and A horizons.

⇝ B-Horizon [or] Subsoil

• present just below the topsoil and above the bedrock.
• site of deposition of certain minerals and metal salts such as iron oxide.

⇝ C-Horizon

• made up of broken bedrock.

⇝ R-Horizon

• Different types of rocks such as granite, basalt and limestone are found.

I learned it from Byju's