With reference to the di-ammonium phosphate (DAP), consider the following statements:
1. It is a critical fertiliser containing phosphorus (P) nutrient that crops require during the early stages of root and shoot development.
2. DAP is India’s most-consumed fertiliser.
3. DAP contains 18 per cent phosphorus (P) and 82 per cent nitrogen (N).
How many of the statements given above are correct?