Full TGIF Record # 321738
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DOI:10.21273/HORTTECH04985-21
Web URL(s):https://journals.ashs.org/horttech/view/journals/horttech/32/5/article-p415.xml
    Last checked: 09/27/2022
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https://journals.ashs.org/horttech/downloadpdf/journals/horttech/32/5/article-p415.xml
    Last checked: 09/27/2022
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Publication Type:
i
Refereed
Author(s):Evans, Shane R.; Kopp, Kelly; Johnson, Paul G.; Hopkins, Bryan G.; Dai, Xin; Schaible, Candace
Author Affiliation:Evans: METER Group Inc., Pullman, WA; Kopp and Johnson: Department of Plants, Soils, and Climate, Utah State University, Logan, UT; Hopkins: Department of Plant and Wildlife Sciences, Brigham Young University, Provo, UT; Dai: Utah Agricultural Experiment Station, Utah State University, Logan, UT; Schaible: Utah State University Cooperative Extension-Iron County, Cedar City, UT
Title:Comparing smart irrigation controllers for turfgrass landscapes
Source:HortTechnology. Vol. 32, No. 5, October 2022, p. 415-424.
Publishing Information:Alexandria, Virginia: American Society for Horticultural Science
# of Pages:10
Keywords:Author-Supplied Keywords: Irrigation technology; Kentucky bluegrass; Landscape water conservation; Poa pratensis; Weather-based irrigation controllers
Abstract/Contents:"Recent advances in irrigation technologies have led many states to incentivize homeowners to purchase United States Environmental Protection Agency WaterSense-labeled, smart irrigation controllers. However, previous research of smart controllers has shown that their use may still result in excess water application when compared with controllers manually programmed to replace actual water loss. This study compared kentucky bluegrass (Poa pratensis) irrigation applications using three smart irrigation controllers, a conventional irrigation controller programmed according to Cooperative Extension recommendations, and the average irrigation rate of area homeowners in Utah during 2018 and 2019. Of all the controllers tested, the manually programmed controller applied water at amounts closest to the actual evapotranspiration rates; however, smart controllers applied from 30% to 63% less water than area homeowners, depending on the controller and year of the study. Kentucky bluegrass health and quality indicators - percent green cover and normalized difference vegetation indices - varied between years of the study and were lower than acceptable levels on several occasions in 2019 for three of the four controllers tested. Compared with the results of similar studies, these findings suggest that the effects of smart irrigation controllers on turfgrass health and quality may vary by location and over time."
Language:English
References:24
Note:Tables
Graphs
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Evans, S. R., K. Kopp, P. G. Johnson, B. G. Hopkins, X. Dai, and C. Schaible. 2022. Comparing smart irrigation controllers for turfgrass landscapes. HortTechnology. 32(5):p. 415-424.
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DOI: 10.21273/HORTTECH04985-21
Web URL(s):
https://journals.ashs.org/horttech/view/journals/horttech/32/5/article-p415.xml
    Last checked: 09/27/2022
    Requires: HTML5
https://journals.ashs.org/horttech/downloadpdf/journals/horttech/32/5/article-p415.xml
    Last checked: 09/27/2022
    Requires: PDF Reader
    Notes: Direct download
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