Black soils are also known as the ‘Regur Soil’ or the ‘Black Cotton Soil’. Chemically, the black soils are rich in lime, iron, magnesia and alumina. They also contain potash. But they lack in phosphorous, nitrogen and organic matter.

Further Reading:

• Classification of Soil in India – Types of Soil in India
• NCERT Notes: Geography Notes For UPSC 2021