Question

Name the type of soil which is :
(a) Useful for the cultivation of jute
(b) Formed by decomposition of metamorphic rocks.
(c)Covers 40% of land area of India.
(d) Develops on old crystalline rocks under moderate to heavy rain (e)Alkaline in nature and contains a high proportion of salts.​

Answer 1

Answer:

Alluvial soil

Explanation:

Alluvial soil is formed by the deposition of sediments brought down by the Indus, Ganga and Brahmaputra Rivers.

Distribution of alluvial soil in India

• India's entire northern plain is made up of alluvial soil, and it also extends into parts of Gujarat and Rajasthan.
• Additionally, it can be found on the eastern coastal plain, more specifically in the Mahanadi, Godavari, Krishna, and Cauveri Delta.

Geological division of Alluvial soil.

• Bhabhar - narrow belt located at the foothill of the Shivalik range.

• Terrai  - Located south of Bhabhar; Swampy region(UP, Bihar ).

• Bangar - old alluvial soils.
• Khadar- newly formed alluvial soils, found at Banks of rivers.

Crops supported - sugarcane, paddy, wheat, pulse, jute.

Characteristics -

• Rich in Potash, phosphorous, lime.
• Deficient in nitrogen and organic matter.
• Extremely fertile, intensively cultivated.
• Due to the equal amounts of sand and clay, it is porous or loamy in nature.

Learn more

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