Urea is a better fertilizer than ammonium sulphate, because__________________?
Correct answer: D. Nitrogen content is higher
- A. It is cheaper
- B. It is easy to manufacture
- C. It is not poisonous
- D. Nitrogen content is higher
Explanation
Urea contains about 46% nitrogen, while ammonium sulphate contains about 21%. Its higher nutrient concentration makes urea a more concentrated nitrogen fertiliser.
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