Which of the following sentence is/are correct about crop rotation?
1. Crop rotation helps return nutrients to the soil without synthetic inputs.
2. Crop rotation is the practice of planting different crops sequentially on the same plot of land to improve soil health.
3. Crop rotation deteriorates the soil structure as same nutrients are used time and time again.

A

1 only

B

1 and 3 only

C

1 and 2 only

D

2 only