Consider the following statements with reference to the direct-seeded rice (DSR) technique:
1. No nursery preparation or transplantation is involved in this method.
2. It increases methane emissions due to a longer flooding period.
3. The seed requirement for DSR is high.
Which of the statements given above is/are correct?
1
1 only
2
2 and 3
3
2 only
4
1 and 3