Consider the following statements:
1. Use of hedging and ditching can reduce soil erosion
2. Use of grazing can help in restoring soil organic content
3. Growing pulse crops can help in in-situ Green manuring
Which among the above statements is / are correct?

Answer: [D] 1, 2 & 3 are correct

This question is a part of GKToday's Integrated IAS General Studies Module