MHT CET · BIOLOGY · STD 12 - 7. Plant Growth and Mineral Nutrition
With reference to agricultural crop, which of the following are considered as critical elements?
- A C, H, O
- B N, P, K
- C Mg, Fe, Za
- D Mn, Cl, Ca
Answer & Solution
Correct Answer
(B) N, P, K
Step-by-step Solution
Detailed explanation
Macronutrients which become commonly deficient in soil are critical elements. Most fertilizers contain critical elements and are called complete fertilizers they are N, P, K
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