non-calcareous soils

How volatile is ammonium sulfate on dry, bare ground? I want to broadcast 200 pounds per acre ahead of planting wheat on dry land. Will it last a couple of weeks without rain?

Ammonium sulfate is virtually non-volatile as long as we are referring to non-calcareous soils. Accordingly, ammonium sulfate is recommended over urea or urea-containing products (such as urea ammonium nitrate solutions) whenever broadcast applications are not followed by