Reoeatead use of which of the following fertilizers would increase the acidity of the siol

Options

A. Potassium nitrate
B. Urea
C. Superphosphate of lime
D. Ammonium sulphate

Answer

D

Explanation

`(NH_(4))_(2)SO_(4)` is a salt of strong acid and weak base, on hydrolysis it will produce `H^(+)` ion. This will increases the acidity of soil.
`(NH_(4))_(2) SO_(4) to 2NH_(4)^(+) + SO_(4)^(2-)`
`NH_(4)^(+) +H_(2) hArr NH_(4)OH +H^(+)`