Rationale for Diversification: Soil Health, Water Conservation, Income Stabilization

What are the major reasons for declining rice and wheat yield in the cropping system? How crop diversification is helpful to stabilize the yield of the crop in the system?

How has the emphasis on certain crops brought about changes in cropping patterns in recent past? Elaborate the emphasis on millets production and consumption.

What are the present challenges before crop diversification? How do emerging technologies provide an opportunity for crop diversification?