This main form shows the cumulative areas (in dunum) and annual water demands (in MCM) for the total of the selected irrigation centers, reference year (hydrological year) and salinity class (which is affecting the leaching requirements).
The demands shown in the form refer to farm gate. They take account of application efficiency and leaching requirements, but not of the distribution efficiency.
This form possesses a number of controls. Move with the cursor over the image. If the cursor changes from arrow to a hand, you can click to find detailed explanation about the controls.