Explanation:

Black soils are also called as regur soils. Central India and Deccan plateau mainly constitutes this type of soil. The soil is suitable for growing cottons. It is believed that the climatic conditions along with the parent rock material are the important factors for the formation of black soil. This type of soil is typically of the Deccan trap region spread over Northwest Deccan plateau and is made from lava flows. These soils contain essential clay minerals as montmorillonite. They are rich in aluminia, iron, lime and magnesium.