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| Black soils distributions in India |
There are other two names for Black soils :
- Regur soil
- Cotton soil
- 16.6 % of the total areas of India are covered by black soil.
- It is found in Rajasthan, Gujarat, Maharashtra, Madhya Pradesh, Karnataka, Andhra Pradesh, and Tamil Nadu.
Characteristics of black soils:
- It has high clay content, because of high clay, wide cracks developed during the dry season.
- Black color is due to the presence of iron and aluminum, due to high iron content, black soils do not erode easily by winds and water.
- Poor in humus but has high water retention capacity.
- A small portion of potash is found but phosphorus and nitrogen are nearly absent.
Black soils are generally two types:
- Light black soils are found on highlands.
- Deep black soils are found in lowlands or valleys.
The productivity of regur or black soil:
- Deep black soil is highly productive due to the presence of high clay, iron, potash, and humus content.
- Black soils are suitable for Cotton, vegetable, large coarse grains. For high cotton yield, need a dry atmosphere and moist soil, hence black soil is most suitable for cotton cultivation.
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