Consider the following statements about black soil.
1. Most of the Deccan Plateau is covered with black soil.
2. These soils are also known as 'Raegur soil' or 'Black cotton soil'.
3. These soils have self-cultivating properties.
4. They are rich in phosphorus, nitrogen and organic matter.
Which of the above statements is/are correct?
1
1, 2 and 3 only
2
2, 3 and 4
3
1, 2, 3 and 4
4
2 and 4 only
5
None of the above