Geography
Answer
Topsoil — The uppermost fertile layer of soil, which is used for cultivation is called Topsoil.
In situ — It means 'at its original place'. It refers to anything which is formed where it is found. For example the black soil is formed in situ.
Bangar — The older alluvium is called as Bangar soil. They are darker in colour. They contain kankar, pebbles and gravels.
Khadar — The newer alluvium is called Khadar soil. They contain fine sand and clay. They are pale brown in colour. They are replenished by the floods.
Humus — The organic matter which is found in the soil is called Humus. It is formed by decaying remains of plants and animals
Related Questions
What is soil erosion? Name the different types of soil erosion.
What is soil conservation? State two ways in which one can reduce soil erosion.
Give geographical reasons —
- Red soil is not suitable for cultivation.
- Laterite soils are used as building material.
- Black soils are black in colour.
- Alluvial soils of Coastal region are black in colour.
Answer in one word —
- Soils formed due to weathering of Deccan trap.
- Alluvial soils of Coastal region are called ……………
- In some valleys like Narmada and Tapi the soil is …………… deep.