Question

Explain the basis of identification of black soil​

Answer 1

Answer:

Introduction of Black Soil

Black soil in India is rich in metals such as Iron, Magnesium and Aluminum. However it is deficient in Nitrogen, Potassium, Phosphorous and Humus. Black soil is of red colour mainly due to its iron oxide content. This soil shares 15 % of all types of soil in India.

Answer 2

Answer:

The black soil is very retentive of moisture . ... A typical black soil is highly argillaceous with a large clay factor, 62 percent or more, without gravel or coarse sand. It also contains 10 percent of alumina, 9 - 10 percent of iron oxide and 6 - 8 percent of lime and magnesium carbonates.