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- #Plant Physiology
Macronutrients are elements that
Option: 1
play major role in plant nutrition
Option: 2
are required in large quantities in plants
Option: 3
form large molecules in plants
Option: 4
None of the above
Answers (1)
Macronutrients
- Macronutrients are generally present in plant tissues in large amounts (in excess of 10 mmol Kg-1 of dry matter).
- The macronutrients include carbon, hydrogen, oxygen, nitrogen, phosphorus, sulphur, potassium, calcium and magnesium.
- Of these, carbon, hydrogen and oxygen are mainly obtained from CO2 and H2O, while the others are absorbed from the soil as mineral nutrition.
- Macronutrients are generally present in plant tissues in large amounts (in excess of 10 mmol Kg-1 of dry matter).
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