Full TGIF Record # 136161
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Web URL(s):https://issuu.com/leadingedgepubs/docs/tn-turfgrass-2008-april-may/22
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Publication Type:
Author(s):Grabow, Garry
Author Affiliation:Professor Emeritus, Department of Biological and Agricultural Engineering, North Carolina State University
Title:Tools for turfgrass irrigation water management
Section:Turf talk
Other records with the "Turf talk" Section
Source:Tennessee Turfgrass. April/May 2008, p. 22-26.
# of Pages:5
Publishing Information:Franklin, TN: Leading Edge Communications, LLC
Keywords:TIC Keywords: Irrigation systems; Irrigation rates; Irrigation practices; Irrigation equipment; Irrigation controllers; Soil moisture sensors; Evapotranspiration; Weather data; Soil water content; Irrigation costs; Technology; Water requirements; Water management
Abstract/Contents:Discusses tools and techniques that may lead to more efficient irrigation. States that "there are number of commercially available tools to help with turf and landscape irrigation water management. They can be broadly separated into two categories - those that use feedback from a sensor that monitors the amount of of moisture in the rootzone and those that use weather data to estimate the amount of water used by the turf to adjust irrigation." Highlights Weather based controllers or ET (evapotranspiration) controllers, and Soil-moisture-based systems. States that "ET controllers, use weather data to adjust the amount of water applied as the turf's demand for water changes." States that "ease of setup and operation of ET controllers range from fairly easy to complex. Depending on the controller." Recommends that "when selecting one of these systems, it is important to know the flexibility of the controller, and from where it collects weather data." States that the soil moisture based systems use feedback from sensors placed in the soil to adjust watering. States that "Most ET controllers range from $300 to $500, depending upon the number of irrigation zones they control, the level of sophistication and on-site weather sensors (if any)." Also states that add-on soil moisture based systems are the cheapest, starting from under $200, while the "on-demand" type of soil-moisture system is the most expensive, and cost about $2,500 when installed with a new system. Reports that three "smart" systems are being evaluated at North Carolina State University. States that "Smart" irrigation technologies hold promise, but professional setup and adjustments may be required. Concludes that "one easy, effective and inexpensive way of reducing water used by turf and landscape irrigation is to install a rain sensor."
Note:Pictures, color
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Grabow, G. 2008. Tools for turfgrass irrigation water management. Tenn. Turfgrass. p. 22-26.
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