This screen allows you to capture in number of hours irrigated. The total millimetres is calculated based on the millimetres per hour setup on the field record. It is important that the irrigation information is completed correctly when setting up the field. Field - field information. Group number - This is the group or farm that you irrigated Field Number - This is the actual field that was irrigated Date of irrigation - This is the date the the field was irrigated Hours of irrigation - This is the number of hours that the field was irrigated for Cubic metres - Total mm - This is the calculated millimetres of water that was applied to the field during this session mm per hour -