1.

Slow acting nitrogenous fertilizer among the following is

Answer»

`NH_(2)CONH_(2)`
`NH_(4)NO_(3)`
`CaNCN`
`KNO_(3)`

Solution :CALCIUM CYANAMIDE is the slow acting nitrogenous fertilizer as it decompose very SLOWLY.
`CaNCN +2H_(2)Oto CO_(2) +2NH_(3)`
`NH_3 overset("Nitrifying")underset("bacteria")to ` soluble nitrates `to ` plants


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