Which of the following element is/are included as macronutrient elements in plants?
A. Zinc
B. Oxygen
C. Phosphorous
D. Magnesium
1
A and B
2
B and D
3
A, B and C
4
B, C and D
Which of the following element is/are included as macronutrient elements in plants?
A. Zinc
B. Oxygen
C. Phosphorous
D. Magnesium