Question:
Which nutrient is classified as a secondary macronutrient?
Which nutrient is classified as a secondary macronutrient?
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Secondary macronutrients: Ca, Mg, S; essential but in moderate amounts.
Updated On: Jul 3, 2025
- Nitrogen
- Phosphorus
- Calcium
- Iron
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The Correct Option is C
Solution and Explanation
Nutrients are categorized based on the quantity required by plants. Primary macronutrients: Nitrogen (N), Phosphorus (P), Potassium (K). Secondary macronutrients: Calcium (Ca), Magnesium (Mg), Sulfur (S). Micronutrients, like iron, are needed in trace amounts.
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