What are the advantages of inter-cropping and crop rotation?

Explanation

Advantages of intercropping are :
(i) It helps to maintain soil fertility.
(ii) It increases productivity per unit area.
(iii) It saves labour and time.
(iv) Both crops can be easily harvested and processed separately.
Advantages of crop rotation are :
(i) It improves the soil fertility.
(ii) It avoids depletion of a particular nutrient from the soil.
(iii) It minimises pest infestation and diseases.
(iv) It helps in weed control.
(v) It prevents change in the chemical nature of the soil.