Question

Differentiate between these: (a) Laterite soil and red soil (b) Soil erosion and soil conservation (c) New alluvium and old alluvium

Answer 1

Answer:

(a) Red soils:

1. Red soil is formed due to weathering of igneous and metamorphic rocks.

2. It is highly porous and less fertile but where it is deep it is fertile.

3. It is less crystalline.

4. It is red in colour due to the presence of iron in it.

They occur in parts of Tamil Nadu, Karnataka, Andhra Pradesh, Orissa and Jharkhand.

Laterite soil:

1. It is formed by the leaching process in the heavy rainfall areas of tropical India.

2. It is less fertile, only grass grows on it in abundance.

3. It is crystalline.

4. It is red in colour due to little clay and much gravel of red sand-stones.

5. It is found in hills of the Deccan, Karnataka, Kerala, Orissa, Assam and Meghalaya.

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(b) * Soil erosion is the process by which soil is worn away. ...

* soil conservation means conserving the soil.

* Conservation is to save and erosion is natural effects causing it be break down and go away or move to a different location.

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Khadar (New):

1. The newer and younger deposits of the flood plains.

2. Found in the lower levels in the plains near the rivers.

3. Loamy, porous, soil.

4. More fertile than Bhangar as new layers are deposited year after year during monsoonal floods

Bhangar (old):

1. Older alluvium or old soil and form the largest part of the Northern Plains.

2. Found higher up in the plains at river terraces away from rivers.

3. Clayey and non-porous.

4. Less fertile than Khadar.

hope it will help you

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