Question

write the Features of black soil ...​

Answer 1

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• This is also known as Black cotton soil regur soil. It covers 16 % of India's Total geographical area.

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• It is found in the Deccan trap region and is made up of Lava flows.
• It covers the plateau areas of Saurashtra, Maharashtra, Malwa, Madhya Pradesh,Chhattisgarh and also lies along the valleys of the Godavari and Krishna rivers.
• It is made up of extremely fine i.e. clayey material and suitable for growing cotton.
• It is rich in nutrients like calcium carbonate, magnesium carbonate, Potash and lime, but is poor in Phosphoric content.
• It develops deep cracks during the hot summer which helps in aeration of the soil it becomes sticky (due to high moisture retention) when wet and becomes difficult to be tilled.

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Answer 2

Question:-

Write the features of black soil?

Answer:-

Black Soil

Black soil is also known cotton soil and internationally it is known as ‘Tropical Chernozems’. This is the third largest group in India.

The following are the main features of black soil:-

➝ Clayey texture and are highly fertile.

➝ Rich in calcium carbonate, magnesium, potash, and lime but poor in nitrogen and phosphorous.

➝ Highly retentive of moisture, extremely compact and tenacious when wet.

➝ Contractible and develops deep wide cracks on drying.

➝ Calcareous and neutral to mild alkaline in reaction, high in carbon exchange capacity and low in organic matter.

➝ Self-ploughing and comparatively less fertile on the uplands than on the lowlands.

➝ This soil is black in colour mainly because they are formed by weathering of lava rocks and are high iron, alumina and magnesia content.