How to Do ET Irrigiation Scheduling
ET irrigation scheduling varies depending on the irrigation system used. For full coverage irrigation systems (sprinklers, furrow, and border flood), the soil water storage capacity plays a key role in scheduling irrigations. Microirrigation systems (drip and microsprinklers) do not depend on the soil storing large amounts of water between irrigation since irrigation occurs frequently.
See the following sections for a stet-by-step procedure for doing practical irrigation scheduling.