Which form of nitrogenlous fertiliser will be preferred for paddy and potato?

Solution (By Examveda Team)

An ammonical form of nitrogenous fertilizer will be preferred for paddy and potatoes.
Ammonium sulphate [(NH₄)₂SO₄]: This is a nitrogenous fertilizer that is used for raising the production level of crops like paddy, potato, etc.
In this fertilizer, there is nearly 25% ammonia which is transformed into nitrate by the denitrifying bacteria present in the alkaline soil.