Black soils are derivatives of trap lava and are spread mostly across interior Gujarat , Maharashtra, Karnataka, and Madhya Pradesh on the Deccan lava plateau and the Malwa Plateau, where there is both moderate rainfall and underlying basaltic rock.
Which state has highest amount of black soil?
Maharashtra is the state has the largest area under black soil.
Which area provides black soil?
Option B: is correct. In India, black soil covers almost the entire Deccan Plateau which includes the states Gujarat, Maharashtra, Madhya Pradesh and Andhra Pradesh. Black soils are generally clayey and deep and they are also known as Regur Soil. They provide very favourable conditions for the growth of cotton.
Where is black cotton soil found in India?
Black soil is also known as Black Cotton Soil as cotton is an important crop which is grown in this type of soil. This soil is rich in calcium carbonate, potash, lime and magnesium carbonate but has poor phosphorus content. It is mostly found in areas such as Gujarat, Madhya Pradesh and Maharashtra .
Where are black soils formed?
The black soil is majorly found in Gujarat, Maharashtra , Western parts of Madhya Pradesh, North- Western Andhra Pradesh, Karnataka, Tamil Nadu, Rajasthan, Chhattisgarh, Jharkhand up to Raj Mahal hills. The two popular plateaus that are the Deccan plateau and the Malwa plateau, also lie in black soil stretch.
Why is black soil black?
Black soil is black or dark brown. It is due to the presence of organic matter and clay content along with chemicals and metals like iron and potassium in the soil which make it fertile. ... Black soil is also called Regur soil and is important because of its relevance to food security and climate change.
Which is black soil?
Black soils are mineral soils which have a black surface horizon, enriched with organic carbon that is at least 25 cm deep . Two categories of black soils (1st and 2nd categories) are recognized. ... CEC in the black surface horizons ≥25 cmol/kg; and. A base saturation in the black surface horizons ≥50%.
Is another name of black soil?
Black soil is also known as black cotton soil or the regur soil .
What is black soil made up of?
Black Soil is formed as a result of denudation of lava-flow rocks . They contain large quantities of lime, potash, aluminium, magnesium. They are deficient in phosphorus, nitrogen and organic matter. Black Soil is highly retentive of moisture, and become sticky when wet.
Which crop is suitable for black soil?
Crops in Black Soils
These soils are best suited for cotton crop . Hence these soils are called as regur and black cotton soils. Other major crops grown on the black soils include wheat, jowar, linseed, virginia tobacco, castor, sunflower and millets.
Is black soil rich in humus?
Because of their high clay content, black soils develop wide cracks during the dry season, but their iron-rich granular structure makes them resistant to wind and water erosion. They are poor in humus yet highly moisture -retentive, thus responding well to irrigation.
In which state black soil is not found?
Answer: it is found in gujarat etc.
What is black cotton soil?
Black cotton soils are inorganic clays of medium to high compressibility and form a major soil group in India . They are characterized by high shrinkage and swelling properties. ... Because of its high swelling and shrinkage characteristics, the Black cotton soils (BC soils) has been a challenge to the highway engineers.
In which states is black soil formed?
The black soil in India is found in the states like Maharashtra, Gujarat, Madhya Pradesh, and Karnataka . Black soil is formed due to the weathering or erosion of the basalt rocks. Basalt rocks are prominently found in the region of Maharashtra as the quantity of basalt rock is more.
Which statement about black soil is incorrect?
1) Black soil is the best soil for cotton cultivation . It is mostly found in Maharashtra,Goa etc. 2)Black soil can hold moisture. It has no capacity of moisture.
Why black soil is called lava soil?
Black soil is formed by the weathering or breaking process of igneous rocks . Then by cooling or solidification of lava originated from the volcano eruption. Hence, it is also called lava soil.
