Minerals known to be required in large amounts tor plant growth include:
potassium, phosphorus, selenium, boron
magnesium, sulphur, iron, zinc
phosphorus, potassium, sulphur, calcium
calcium, magnesium, manganese, copper
As we discussed in concept
Macroturients -
Elements which are present in a quantity of 1-10 mg/g dry weight of the cell.
- wherein
C, H, O, N,P, S, K Mg, Ca
Macronutrients are P, K, S, Ca.
Option 1)
potassium, phosphorus, selenium, boron
This option is incorrect.
Option 2)
magnesium, sulphur, iron, zinc
This option is incorrect.
Option 3)
phosphorus, potassium, sulphur, calcium
This option is correct.
Option 4)
calcium, magnesium, manganese, copper
This option is incorrect.