Question

causes of formation of alluvial soil

Answer 1

Alluvial soils are formed mainly due to silt deposited by Indo-Gangetic-Brahmaputra rivers. In coastal regions some alluvialdeposits are formed due to wave action. Rocks of the Himalayas form the parent material. Thus the parent material of these soils is of transported origin.

Answer 2

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the causes of formation of alluvial soil are.. .
Alluvial soils are formed mainly due to silt deposited by Indo-Gangetic-Brahmaputra rivers. In coastal regions some alluvial deposits are formed due to wave action.

Rocks of the Himalayas form the parent material. Thus the parent material of these soils is of transported origin.

They are the largest soil group covering about 15 lakh sq km or about 46 per centof the total area.

They support more than 40% of the India’s population by providing the most productive agricultural lands.

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