Which of the following features are associated with Regur Soils in India?
1. It develops on crystalline igneous rocks as a result of intense leaching
2. It is rich in Iron, Potash and Phosphoric contents.
3. It is typically found in north-west region of Deccan plateau and made up of lava flows.
4. It is rich in calcium carbonate, magnesium, potash and lime.
How many of the statements given above are correct?
Options
A1 and 2 only
B2 and 3 only
C3 and 4 only
D1, 2 and 4 only
Show AnswerHide Answer
Correct Answer
C3 and 4 only
Model Answer
Regur soil
Regur means cotton – the best soil for cotton cultivation.
Most of the Deccan is occupied by Black soil and it is made up of lava flows. Hence, statement 3 is correct.
High water retaining capacity. Hence, statement 1 is incorrect.
Swells and will become sticky when wet and shrink when dried.
Self-plowing is a characteristic of black soil as it develops wide cracks when dried.
Rich in: Iron, lime, calcium, potassium, aluminum, and magnesium. Hence, statement 4 is correct.
Deficient in: Nitrogen, phosphorus, and organic matter. Hence, statement 2 is incorrect.
Color: Deep black to light black.
Texture: Clayey.
Additional Information
Classification of Soils of India
Alluvial soil [43%]
Red soil [18.5%]
Black/regur soil [15%]
Arid / desert soil
Laterite soil
Saline soil
Peaty / marshy soil
Forest soil
Sub-mountain soil
Snowfields
Map of India titled Major Soil Types, showing forest and mountainous, alluvial, red and yellow, black, laterite and arid soil regions.
