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Web URL(s): | http://www.irrigation.org/IA/FileUploads/IA/Resources/TechnicalPapers/2014/ConserveWaterByIrrigatingDeeplyAndLessFrequently.pdf Last checked: 10/05/2017 Requires: PDF Reader |
Publication Type:
| Proceedings |
Author(s): | Crookston, Mark A. |
Author Affiliation: | P.E. and CAIS and CLIA and CID and CIT and Northern Water, Berthoud, CO |
Title: | Conserve water by irrigating deeply and less frequently |
Section: | Landscape & golf Other records with the "Landscape & golf" Section
|
Meeting Info.: | Phoenix, Arizona: November 17-21, 2014 |
Source: | Irrigation Show 2014: Technical Session Proceedings. 2014, p. 1-6. |
Publishing Information: | [Falls Church, Virginia]: [Irrigation Association] |
# of Pages: | 6 |
Keywords: | TIC Keywords: Deficit irrigation; Drought management; Irrigation frequency; Irrigation practices; Irrigation rates; Soil water retention
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Abstract/Contents: | "During periods of drought, watering restrictions for many municipalities limit the days per week when landscape irrigation can occur. Additionally, many smart irrigation controllers for residential landscapes schedule watering on a weekly or more often basis. These constraints can result in watering more frequently than would be required by the depletion of plant available water in the root zone. Under limited or partial soil moisture depletion, the number of days between irrigations is reduced. This increases the potential for losses to surface evaporation and provides less latitude for managing soil moisture levels below the 'no water stress' fraction. This paper summarizes results derived from a soil water balance which calculates evaporation from wetted plant-soil surfaces, including drying of the surface soil layer. Comparison is made of the needed net irrigation under likely irrigation frequencies resulting from limited water availability and watering restrictions. Irrigating deeply and less frequently provides significant benefits. " Supports landscape health. " Promotes deeper root zones. " Provides significant potential for water conservation. Deeper rooting depths make landscapes more drought resistant. They better support managed deficit irrigation practices which can achieve significant water conservation by reducing landscape water use rates during the 'dry down' period before subsequent irrigation or watering is applied. This information should assist water providers and irrigation managers in determining what watering schedules may better conserve limited water supplies while still meeting the needs for healthy urban landscapes." |
Language: | English |
References: | 5 |
Note: | Tables |
| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete): Crookston, M. A. 2014. Conserve water by irrigating deeply and less frequently. p. 1-6. In Irrigation Show 2014: Technical Session Proceedings. Phoenix, Arizona: November 17-21, 2014. [Falls Church, Virginia]: [Irrigation Association]. |
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| Web URL(s): http://www.irrigation.org/IA/FileUploads/IA/Resources/TechnicalPapers/2014/ConserveWaterByIrrigatingDeeplyAndLessFrequently.pdf Last checked: 10/05/2017 Requires: PDF Reader |
| MSU catalog number: b9924931 |
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