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Agriculture · Q799

Agronomy

Graduate and Post Graduate · Agriculture · question 799

Q799

Which one of the following fertilisers is least hygroscopic?

A.
Urea
B.
Ammonium sulphate
C.
Diammonium phosphate
Answer
D.
Calcium ammonium nitrate

Answer: Option C

Solution

Answer: Option C
Solution:
Diammonium phosphate (DAP) is the world's most widely used Phosphorus fertilizer which is the least hygroscopic among all the given options, which means it is less likely to absorb moisture from the air, whereas urea, Ammonium sulphate and CAN are more likely to absorb moisture from the air when left open.