The way to make the most of your watering.
Generally speaking, Efficiency measures how evenly water is applied to the zone. If 30% of the water applied runs off the field or goes bellow the root zone, the irrigation efficiency is 70%.
How do I calculate Efficiency?
You can use a catch cup test to determine the efficiency of your zone.
Your spray head type influences your Efficiency. Check out: How do I identify my spray head type?