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Web URL(s): | http://www.irrigation.org/IA/FileUploads/IA/Resources/TechnicalPapers/2007/EvaluationOfSoil-MoistureBasedAndET-BasedIrrigationControlInTurf.pdf Last checked: 10/13/2017 Requires: PDF Reader |
Publication Type:
| Proceedings |
Author(s): | Vasanth, Arjun;
Grabow, Garry L.;
Bowman, Dan;
Huffman, Rodney L.;
Miller, Grady L. |
Author Affiliation: | Vasanth, Grabow, and Huffman: Department of Biological and Agricultural Engineering, North Carolina State University; Bowman and Miller: Department of Crop Science, North Carolina State University |
Title: | Evaluation of evapotranspiration-based and soil-moisture-based irrigation control in turf |
Section: | Turf Other records with the "Turf" Section
|
Source: | Irrigation Show 2007: Technical Session Proceedings. 2007, p. 244-255. |
Publishing Information: | [Falls Church, Virginia]: [Irrigation Association] |
# of Pages: | 12 |
Keywords: | TIC Keywords: Comparisons; Evapotranspiration-based irrigation; Irrigation controllers; Irrigation efficiency; Irrigation frequency; Quality evaluation; Soil moisture sensors; Turfgrass quality
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Abstract/Contents: | "A study was initiated in Fall of 2006 to compare two types of commercially available irrigation control technologies, one based on estimates of evapotranspiration (ET) and the other based on feedback from soil moisture sensors. Water applied and turf quality from one ET-based system and two sensor-based systems were compared to a standard time-based irrigation schedule. Irrigation frequency was also a component of the study. Estimates of turf ET were obtained from the Penman-Monteith equation using on-site weather data, and also from an atmo-meter. On average the 'add-on' soil-moisture-based system applied the least amount of water while the ET-based treatment applied the most water. Once-a-week irrigation frequencies used the least amount of water and daily frequencies the most when averaged across all technologies. In general, minimally acceptable turf quality was maintained by all technologies and frequencies, although during the last month of the study some treatments became noticeably stressed. The 'on-demand' sensor-based system resulted in the best combination of water efficiency and turf quality." |
Language: | English |
References: | 4 |
Note: | Plot layout Tables Graphs |
| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete): Grabow, G. L., D. Bowman, R. L. Huffman, G. L. Miller, and A. Vasanth. 2007. Evaluation of evapotranspiration-based and soil-moisture-based irrigation control in turf. p. 244-255. In Irrigation Show 2007: Technical Session Proceedings. [Falls Church, Virginia]: [Irrigation Association]. |
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| Web URL(s): http://www.irrigation.org/IA/FileUploads/IA/Resources/TechnicalPapers/2007/EvaluationOfSoil-MoistureBasedAndET-BasedIrrigationControlInTurf.pdf Last checked: 10/13/2017 Requires: PDF Reader |
| MSU catalog number: b9924931 |
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