Proper watering techniques and practices, along with proper mowing, are critical to maintaining the health and appearance of your lawn. Improper watering practices promote a shallow root system and helps promote lawn disease outbreaks. The entire key to watering your turf properly is the regulation of the amount of water your turf receives. Measure the amount of water applied to your lawn from the irrigation source during a 20 to 30 minute time period. Use a collection device such as rain gauge or tuna can to collect water applied. Adjust the runtime to deliver the proper and required amount of water.
1) Water your lawn when it shows signs of dryness. Such signs are grass blades showing a faded color or turf does not bounce back when walked on, but instead lies flat. If a sharp object such as a screw driver has difficulty penetrating the soil, then it is time to water.
2) Deep water so that it reaches the root zone. Desired amount of water applied should be to about 1 inch below the root zone. This encourages deep root growth. Use a screw driver to poke the soil to make sure the water is being absorbed into the root zone. Water 20 to 30 minutes per station on rotors and 10 minutes for pop ups as a general guideline.
3) Avoid light ...