Question

explain the main features of alluvial and black soil ​

Answer 1

Answer:

answer which part is underlined that is the answer

Answer 2

Answer:

5 major characterstics of alluvial soil:

1. it is formed by the deposition of the river load as it flows from its upper to its lower course.
2. it is light and porous, therefore easily tillable.
3. it is a fertile soil as it is rich in minerals, especially potash and lime.
4. it is suitable for the growth of a large variety of Rabi and Kharif crops.
5. soils in the drier areas are more alkaline.

5 major characterstics of black soil:

1. it is fine textured and clayey in nature.
2. it has high amounts of Lime, Iron, Magnesium and generally low quantities of Phosphorous, Nitrogen and Organic Matter.
3. it is black in colour since it is formed from weathered lava rocks.
4. it has upto 50% clay content and therefore is highly retentive of water. Because of the high clay content, these soils expand when wet and become difficult to plough through. During the dry season, these soils shrink and develop big cracks which help in the circulation of air.
5. the soil is extremely fertile in most of the places where it is found.

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