Question

Alluvial soils of coastal region are black in colour give reason

Answer 1

ALLUVIAL SOIL OF COASTAL REGIONS ARE BLACK IN COLOUR DUE TO HIGH ORGANIC MATTER CONTENT

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Answer 2

Answer:

The reason behind the black colour of the alluvial soil in the coastal region is due to the mixing of sediments in the rivers. These sediments are dark and get mixed with the soil.

One other reason for the dark colour of the soil is that the soil carried from the Deccan region is deposited here, this soil is composed of chemicals that make the appearance of the soil extremely dark.