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UPSC Geography Minerals and Energy Resources / खनिज और ऊर्जा संसाधन Question Bank Mineral Resource, Industries Population Multipurpose Projects of India

  • question_answer
    In the areas of intensive cultivation with excessive use of irrigation, especially in areas of green revolution, the fertile alluvial soils are becoming saline. What should be added in the soil to solve the problem of salinity?

    A)  Calcium                       

    B)  Nitrogen

    C)  Phosphorus      

    D)  Gypsum

    Correct Answer: D

    Solution :

     Gypsum


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