Which of the following substance can be used directly as feriliaer? – InterviewSolution

1.	Which of the following substance can be used directly as feriliaer?
Answer» `(NH_(4))_(2)SO_(4)` `Ca_(3)(PO_(4))_(2)` `Ca(H_(2)PO_(4))_(2)` `CaCN_(2)+C` SOLUTION :`Ca_(3)(PO_(4))_(2)` : It is a TERTIARY phophate and not soluble in water hence it is of no USE for plants.

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