Question : Which of the following is not a nitrogenous fertiliser?
Option 1: Ammonium sulphate
Option 2: Urea
Option 3: Ammonium Thiosulphate
Option 4: Superphosphate
Correct Answer: Superphosphate
Solution : The correct option is Superphosphate .
The term "superphosphate" does not refer to nitrogenous fertiliser. It is a sort of phosphate fertiliser that gives plants phosphorous but no nitrogen. Nitrogenous fertilisers, on the other hand, such as Urea, and Ammonium sulphate, include nitrogen as a crucial component for plant development.
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