Which of the following is not a measure component necessarily to be present in fertilisers ?
Correct answer: B. Sulphur
- A. Nitrogen
- B. Sulphur
- C. Phosphorous
- D. Potassium
Explanation
Nitrogen, phosphorus and potassium are the primary nutrients commonly guaranteed in fertilisers, whereas sulphur is needed only in certain crops or soils. Thus, sulphur is not universally necessary.
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