DUMET Medical DUMET Medical Solved Paper-2005

  • question_answer
    The purpose of crop rotation is to :

    A)  increase the fertility of soil

    B)  decrease the fertility of soil

    C)  prevent soil erosin

    D)  prevent water erosion

    Correct Answer: A

    Solution :

    The purpose of crop rotation is to increase the fertility of soil. Soil becomes mineral deficient by repeated cropping for a single crop. To restore mineral nutrient in soil crop rotation process is used. The loss of soil caused by a number of activities is known as soil erosion. Soil erosion can be prevented by reforestation most effectively.


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