A) phosphorus, potassium, sulphur, calcium
B) calcium, magnesium, manganese, copper
C) potassium, phosphorus, selenium, boron
D) magnesium, sulphur, iron, zinc
Correct Answer: A
Solution :
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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