Punjab Medical Punjab - MET Solved Paper-2001

  • question_answer
    Crop rotation is used by farmers

    A)  to increases soil fertility

    B)  to increases community area

    C)  to increases organic content of the soil

    D)  to increases nitrogenous content in the soil

    Correct Answer: A

    Solution :

    If the same crop is repeated in the field, year after year, a specific mineral deficiency may arise in the soil. To maintain the nitrogen economy (soil fertility) of soil, a crop is alternated by a leguminous crop.


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