Irrigation system with ET based seasonal watering adjustment and soil moisture sensor shutoff
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United States of America Patent
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Oct 10, 2017
Grant Date -
Apr 23, 2015
app pub date -
Dec 23, 2014
filing date -
Jan 6, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
An irrigation system includes at least one environmental sensor, such as a solar radiation sensor that is installed on an irrigation site, and a soil moisture sensor that is also installed on the irrigation site. Programming allows an estimated ET value to be calculated based at least in part on the output signal of the environmental sensor. A pre-programmed watering schedule is automatically modified based on the estimated ET value to thereby conserve water while maintaining the health of plants on the irrigation site. The system automatically inhibits irrigation when an output signal of the soil moisture sensor indicates an amount of moisture in the soil is above a predetermined threshold.
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Cited Art Landscape
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