Question

Which one of the following is a neutral fertiliser? 

A Urea Correct Answer Incorrect Answer
B Ammonium sulphate Correct Answer Incorrect Answer
C Single super phosphate Correct Answer Incorrect Answer
D Calcium ammonium nitrate Correct Answer Incorrect Answer

Solution

CAN - Calcium Ammonium Nitrate can be considered as near-neutral in its effect on soil pH - and therefore can be used on soils that have a low pH without lowering further.

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