Next, the ammonia reacts with soil water to form ammonium N. And finally, through the action of soil microorganisms, the ammonium is converted to nitrate N. Like nitrates, urea dissolves in and moves ...

Acids dissolve it readily, and when hydrated, as is the case in water pipes, solutions of the caustic fixed alkalies and solutions of ammonia will dissolve it. Whether the oxide which forms upon ...

Generally, farmers inject it directly into the soil, where it dissolves and reacts with water to form ammonium, which plants ...