Question

Write short note black cotton soil

Answer 1

Black cotton soils also called Regur soils are generally clayey, deep and impermeable. ... Black cotton soil is one of major soildeposits of India.They exhibit heigh rate of swelling and shrinkage when exposed to changes in moisture content and hence have been found to be most troublosome from engineering 

black cotton soil is foundgenerally in central India. Mostly a very big part of India known by it's famous name as Deccan Plateau has majority of black soil(black cotton soil) in India. This portion consists of mainly Maharashtra and Karnataka including some parts of Gujrat and Madhya 

Answer 2

1.) These soil are black in colour.

2.) These soil known as regular soil.

3.) Black soil is ideal for cotton,that's why they are know as black cotton soil

4.) This type of soil is typical of the Deccan trap (Basalt) region spread over north wet Deccan plateau.

5.) It is made up of lava flow.

6.) They cover the plateaus of :- Maharashtra, Madhya Pradesh, Malwa, Chattisgarh.

7.) Black soil are made up of extremely fine i.e. clayey material.

8.) They well known for their capacity to hold moisture.

9.) They are rich in soil nutrients such as calcium carbonate, magnesium potash and lime.

10.) These soil are generally poor in phosphoric contents.

11.) They develop deep cracks during hot weather.

12.) These soil are sticky when wet and difficult to work in soil.

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