NCERT Solution Class IX Science Improvement in Food Resources Question 3 (Ex 15.12)

Question 3:

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


Inter-cropping and crop rotation both play an important role in increasing the yield of crops. Inter-cropping helps in preventing pests and diseases to spread throughout the field. It also increases soil fertility, whereas crop rotation prevents soil depletion, increases soil fertility, and reduces soil erosion. Both these methods reduce the need for fertilizers. It also helps in controlling weeds and controls the growth of pathogens and pests in crops.

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