Q60
Amount of free phosphoric acid in SSP in
A.
1%
B.
2.50%
C.
4%
AnswerD.
4.50%
Answer: Option C
Solution
Answer: Option C
Solution:
SSP is the most popular phosphatic fertilizer after Dap as it contains 3 major plant nutrients i.e. Phosphorus, Sulphur and Calcium along with traces of other micronutrients.Free phosphoric acid in both the SSP whether it is powdered or granulated is 4% maximum. Phosphoric acid yields more available phosphorus hence it can be directly used as a fertilizer.