The soil is clayey in nature and rich in soil nutrients like calcium, carbonate, magnesium, potash and lime. It is mainly known as black cotton soil because this soil is most suitable for the cotton crop.
Why black soil is known as cotton soil?
Answer: Cotton soil is another name for black dirt. The most noticeable soils are the black soils found in lava-covered places. Cotton has long been the most frequent traditional crop in the places where they grow. Cotton is a well-grown crop that grows well on black soil, which is why it is named cotton soil.
Which region is known as black cotton soil area?
Deccan trap region
Black cotton soil is mostly found in the Deccan trap region. Most states of India which includes Maharashtra, Madhya Pradesh, Gujarat, Andhra Pradesh and some parts of Tamil Nadu are covered by the black soil.
Which soil is known as black cotton soil?
Black soil is also called as regur soil or black cotton soil. It is the third major group of soil in India and forms the top part of the earth’s surface, that includes disintegrated rock, humus, inorganic, and organic materials. The soil is in black colour and is formed by the weathering of igneous rock.
What is black cotton soil Class 10?
It is well known for its high holding moisture capacity. During the hot weather, these soils get dry and develop cracks which help in the aeration of the soil. Black soil is ideal for the cultivation of cotton and is popularly known as black cotton soil.
Who is known as cotton soil?
Answer: Black soil is also known as black cotton soil or regur soil. It is black in colour as it is made up of lava flows and has a high capacity to hold moisture which is perhaps ideal for the growth of cotton.
How black cotton soil is formed?
Answer: Black soil or Black Cotton Soil, also known as Regur are mineral soils that are volcanic/ trap lava derivatives. They are found mostly in the Deccan Plateau of India. They are formed due to the weathering and denudation of indigenous rocks (basalt) or cooling and solidification of lava after volcanic eruption.
Which region has the largest area of black soil?
Black soil covers most of the Deccan Plateau. This includes parts of Maharashtra, Madhya Pradesh, Gujarat, Andhra Pradesh and some parts of Tamil Nadu.
Which soil region is famous for cotton cultivation?
black soil
Cotton is an important crop cultivated in black soil. This crop flourishes well in black soil because of its clayey nature.
What are the characteristics of black cotton soil?
Characteristics of black soil:
- It has a clayey texture and is very fertile in nature.
- The pH of black soil ranges from. 2 – 8 . 5 at 25 ° C .
- The soil is rich in Potash/Calcium/Magnesium but less in Nitrogen/Phosphate content.
- It is generally soft when wet but gets hard on drying.
What is the black soil also known as?
The black soil is also known as black cotton soil or regur soil.
What are black soil describe their formation and characteristics class 11th?
The black soils are generally clayey, deep and impermeable. They swell and become sticky when wet and shrink when dried. So, during the dry season, these soil develop wide cracks. Thus, there occurs a kind of ‘self ploughing’.
How is black soil beneficial for farmers state any five reasons Class 11?
1.It is black in colour and is also known as regur soil. 2.It is good for the growth of cotton so it is known as black cotton soil. 3.It is rich in soil nutrients like calcium , carbonate,potash,lime and magnesium. 4.It is found in the region of plateaus of Maharashtra , Saurashtra , Malwa, chhattisgarh,madhya pradesh.
What is meant by black cotton?
Definition of black cotton
: a soil formed in the Deccan region of India by the disintegration of a black lava.
What is black soil Class 8?
Black soil is referred to as regur, and has come from the Telugu word reguda and popularly known as black cotton soil because cotton is the most traditional crop in the areas where it is found. Black soils are mineral soils enriched with organic carbon. It is at least 25 cm deep with a black surface horizon.
Where is black soil mostly found?
Black soils are derivatives of trapped lava. These are found mostly across Gujarat, Maharashtra, Karnataka, and Madhya Pradesh on the Deccan plateau and the Malwa Plateau, where there is both moderate rainfall and underlying basaltic rock. This soil is best suitable for growing cotton.
What causes the soil to be black?
Soil colour is usually due to 3 main pigments: black—from organic matter. red—from iron and aluminium oxides. white—from silicates and salt.
Which state is black soil highest?
Major states where black soils are found in India are Maharashtra, Gujarat, Western parts of Madhya Pradesh.
Which is the most grown crop in black soil?
Wheat, Groundnut and cotton are few of the crops which require black soil for their growth. Cotton requires highly fertile black soil for maximum production.
Why is black soil so fertile?
Black soil can be found upto fifteen feet of depth. This clayey soil gains its fertility from its self-ploughing nature. It becomes self-ploughing because it gets sticky with rain and retains moisture for a long time.
What region is known for cotton?
The top two cotton producers, India and China, contribute approximately 45-50 percent of the world’s production, while the top four producers comprise 70-75 percent of global cotton production. Currently, India is the world’s leading producer of cotton, surpassing China recently.