A) phosphorus, potassium, sulphur, calcium
B) calcium, magnesium, manganese, copper
C) potassium, phosphorus, selenium, boron
D) magnesium, sulphur, iron, zinc
Correct Answer: A
Solution :
| [A] Minerals known to be required in large amounts for plant growth are macronutrients. According to question, option [a] is correct, i.e., phosphorus, potassium, sulphur, calcium. Macronutrients are consumed in large quantities and are required for plant tissue from 0.2% to 0.4% (on dry matter weight basis). Following are the rest of the macronutrients as: carbon, hydrogen, oxygen, nitrogen, magnesium, silicon. |
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