When irrigation is applied to the field, select Irrigation...from the WELL_Npull down menu. Then enter the details using the following dialog:-
Date of New Event:Enter the date when the irrigation was applied.
Amount of Irrigation:Enter the amount of irrigation applied in mm. To add a new event complete the above questions then click on the Addbutton. To remove an existing event, click on the event in the top half of the dialog then click on the Deletebutton. You must have at least one Soil N Sampleevent and Soil Moisture deficitevent before any Irrigation Applied events.