The Irrigation Calculator - a decision support tool for dairy farmers

The Irrigation Calculator is a computer decision support tool that assists dairy farmers to decide when to irrigate, how much water to apply, and the consequences of wrong irrigation timings or amounts. The user interface has two data entry screens, one to enter background soils information, the other main screen for entering irrigator application times and amounts, grazings and run times. Keywords: model, pasture growth, soil moisture, evapotranspiration