Consider the following statements with respect to the black soils: 1. It is found in parts of Tamil Nadu. 2. It is clayey, deep and impermeable. 3. It is rich in phosphorous, nitrogen and organic matter. Which of the statements given above is/are correct?

Black soil covers most of the Deccan Plateau which includes parts of Maharashtra, Madhya Pradesh, Gujarat, Andhra Pradesh and some parts of Tamil Nadu. In the upper reaches of the Godavari and the Krishna, and the north western part of the Deccan Plateau, the black soil is very deep. The black soils are generally clayey, deep and impermeable. Th ey swell and become sticky when wet and shrink when dried. Th e black soils are rich in lime, iron, magnesia and alumina. They also contain potash. But they lack in phosphorous, nitrogen and organic matter.