Q. 155.0( 2 Votes )

Which one of the following nutrients is not available in fertilisers?
A. Iron

B. Calcuim

C. Nitrogen

D. Phosphorus

Answer :

Calcium, nitrogen and phosphorus are macronutrients which are required by plants in higher quantity for its proper growth and reproduction. But Iron is a micronutrient, meaning it is required by plants in lesser amounts than primary or secondary macronutrients.

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