Which of the following elements has not been proven to be essential in plants?

  • A
    Potassium
  • B
    Sodium
  • C
    Zinc
  • D
    Iron

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Similar Questions

$A$ : $N, P, K$ are called critical elements.
$R$ : They become deficient easily in soil due to leaching and higher requirement.

Mineral element required by plants in the greatest amount is

Which is not a criteria for essentiality of a mineral?

The number of essential elements required for the normal growth of plants is

Find the odd one out with respect to critical elements.

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