Conservation agriculture improves water use efficiency in dryland systems. Which of these are its components?

1. A Option A: Residue return keeping at least 30% of soil covered
2. B Option B: Crop rotation for better use of available water and nutrients
3. C Option C: Reduced soil disturbance through no-till or minimum till
4. D Option D: All of the above

Answer checked 11 October 2026 · How we write and check questions