Question

what are crop rotation and explain its advantage

Answer 1

Advantages of crop rotation
Crop rotation is a practice of growing a series of different types of crops in same area in sequential seasons. Crop rotation gives various nutrients to the soil.

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Answer 2

Crop rotation is a natural method of maintaining the fertility of a field. This is done by growing leguminous crops after cereal crops.
Advantages are :
1) nitrogen management
2) improved soil structure.
3)reduce soil erosion
4) improved pest and weed control
5)reduce green house gas emissions
6) increase ability to store carbon
7)Reduce water pollution