Consider the following statements about soils in Punjab:
1. The alluvial soils in Punjab are ideal for wheat and rice cultivation.
2. Kandi soils, found near the Shivalik Hills, are gravelly and prone to erosion.
3. Desert soils in the southwestern parts of Punjab are rich in nitrogen and phosphorous.
Which of the statements given above is/are correct?
1
Only 1 and 2
2
Only 2 and 3
3
Only 1 and 3
4
1, 2, and 3