With reference to ‘Wheat’ production, consider the following statements:
1. It can be cultivated in tropical areas and beyond 60 degrees north latitude.
2. It is cultivated in clay or loamy soil with moderate water holding capacity.
3. Currently, India is the largest producer of wheat in the world.
4. Its yield and protein content can be enhanced through the use of sulphur-rich soils.
Which of the statements given above is/are correct?