Don’t drown. The greatest waste of water comes from applying too much, too often; much of the water is never absorbed. Instead of watering for one long session, water a few times for shorter periods and take 15-minute breaks in between each session. This will allow water to soak in while minimizing run-off.
Watch the clock. Water between 5 and 10 a.m., when the sun is low, winds are calm and temperatures are low. Midday watering tends to be less efficient because of evaporation and windy conditions. Watering in the evening isn’t a good idea, either, because leaves can remain wet overnight and lead to fungal growth. By watering in the morning, leaves have a chance to dry out during the day. To make life simpler, add an irrigation controller to automatically turn the water on and off at the correct times.
Consider dripping. When it comes to watering individual trees, flower beds, potted containers or other non-grassy areas, consider applying water directly to the roots using low-volume drip irrigation. This will reduce water waste from evaporation or runoff while preventing unwanted weeds from growing.
Divide by zones. Different plants need different amounts of water. Divide yard and landscape areas into separate irrigation zones so that grass can be watered separately and more frequently than groundcovers, shrubs, and trees. Both sprinkler and drip irrigation can be incorporated to achieve more efficient use of water.
Water only things that grow. If there already is an underground sprinkler system, make sure the sprinkler heads are adjusted properly to avoid watering sidewalks and driveways. A properly adjusted sprinkler head should spray large droplets of water instead of a fine mist to minimize evaporation and wind drift.
Be rain smart. Adjust the irrigation system as the seasons and weather change. For a better solution, install a shut-off device that automatically detects rain or moisture. Rain gauge and soil sensor devices are inexpensive and take advantage of the free rainwater without wasting the metered water.
Do routine inspections. Since lawns and gardens should be watered in the early morning hours, a problem may not be discovered until it is too late. Periodically check sprinklers to make sure everything is working properly. A clogged head or a torn line can wreak havoc on both the landscape and the water bill.
Source: Rain Bird
Published with permission from RISMedia.
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