Which of the following statements, related to the components of Green Revolution, are correct?

1. HYV (High Yielding Variety) seeds were photosynthetic and required controlled irrigation.

2. Use of pesticides and germicides became compulsory for result oriented and secured yields.

3. Use of chemical fertilizers, herbicides and weedicides became mandatory while sowing the HYV seeds.

Select the correct answer using the code given below: