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      Question

      There is a mutual antagonistic effect on the uptake of

      K, Ca & Mg. What is the ideal ratio of K, Ca & Mg for Groundnut?
      A 1:2:1 Correct Answer Incorrect Answer
      B 1:2:4 Correct Answer Incorrect Answer
      C 4:4:2 Correct Answer Incorrect Answer
      D 2:3:1 Correct Answer Incorrect Answer
      E 4:2:4 Correct Answer Incorrect Answer

      Solution

      Groundnut is sensitive to imbalanced nutrient supply. The K:C: Mg ratio is more important than the total amount. Increase in conc. of Mg in nutrient solution decrease K uptake by groundnut & also decreases Ca uptake. The ideal ratio of K, Ca & Mg is 4:4:2.

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