Identify the soil with the help of the following features.
Clayey texture and are highly fertile
Rich in calcium carbonate, magnesium, potash
Highly retentive of moisture
Poor in phosphoric content
Answers
Answer:
The black soils are made up of extremely fine i.e. clayey material. They are well-known for their capacity to hold moisture. In addition, they are rich in soil nutrients, such as calcium carbonate, magnesium, potash and lime. These soils are generally poor in phosphoric contents.
Answer:
Black soil is also known cotton soil and internationally it is known as ‘Tropical Chernozems’. This is the third largest group in India. This soil is formed from rocks of cretaceous lava.
Properties
This soil is black in colour mainly because they are formed by weathering of lava rocks and are high iron, alumina and magnesia content. Black soil are rich in Calcium, Carbonate, Potash and hold moisture, hence it is found sticky when it is wet and cracks when it is dry. Black soil is formed from the volcano eruption, which is very much fertile and best suitable for intensive agriculture.