9th Class Science Improvement in food resources Question Bank Improvement in Food Resources

  • question_answer
    Which of these is/ are the advantages of crop rotation?

    A) It prevents the depletion of selective nutrients.

    B) It prevents the building up of diseases and pests of a particular crop.

    C) It enhances the production by increasing the soil fertility.

    D) All of the above  

    Correct Answer: D

    Solution :

    Crop rotation prevents depletion of selective nutrients, building up of diseases as pests and enhances the production by increasing soil fertility.


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