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Don’t forget to adjust your irrigation controllers soon! October 20, 2011

Posted by WaterWise Consulting in Uncategorized.
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Don’t forget to adjust your irrigation system to coincide with the seasons. Many people program their irrigation controllers when they are installed, and then forget about them. While this is undoubtedly the easiest and carefree way, this method is also the most expensive and causes the most problems for plants. Plant water needs biologically fluctuate with the seasons-plants both expect and need more water during the dry season than the rainy season. By programming your irrigation controller and forgetting it, plants receive the same amount of water year-round.
The simple fix for this common problem is programming your irrigation controller to water less (if any, at all) during the rainy season. Ideally, irrigation systems water more as the rainy season ends, and peaks around July or August (in California). From then until about November, the irrigation tapers off until the rainy season provides 100% of the needed water.
Another simple fix for this problem is to install a “smart” controller. A smart controller is one that uses local weather data to automatically alter the amount of irrigation. The smart controllers do this by using local weather data from nearby weather stations to calculate the evapotranspiration rates of each plant type your controller is programmed for. Evapotranspiration rates are the amount of water that effectively flows through a plant, which is directly related to the plant’s individual water need. If you are interested, please visit our homepage for more information on smart controllers, and how WaterWise can help you get one for cheaper, with rebates!
Brian O’Neill
boneill@waterwise-consulting.com
http://www.waterwise-consulting.com

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