Name the soil most suitable for the cultivation of cotton and state two of its characteristics.

Black soil, also called regur soil, is the most suitable for cotton. It is highly retentive of moisture, so it holds water well through the dry season, and it is rich in lime, magnesium, potash and iron. It becomes sticky when wet and develops deep cracks when dry, which helps aeration.

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Explanation

Black soil is formed from the weathering of the Deccan lava.