Full TGIF Record # 309456
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Web URL(s):https://scisoc.confex.com/scisoc/2019am/meetingapp.cgi/Paper/120102
    Last checked: 11/26/2019
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Publication Type:
Content Type:Abstract or Summary only
Author(s):Schwab, Ryan; Horgan, Brian; Bauer, Samuel
Author Affiliation:Schwab and Horgan: Department of Horticultural Science, University of Minnesota, St. Paul, MN; Bauer: BauerTurf, LLC, Wayzata, MN
Title:Wetting agent influence on soil water repellency parameters at different rootzone temperatures
Section:C05 turfgrass science
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Meeting Info.:San Antonio, Texas: November 10-13, 2019
Source:ASA, CSSA and SSSA International Annual Meetings. 2019, p. 120102.
Publishing Information:[Madison, Wisconsin]: [American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America]
# of Pages:1
Keywords:TIC Keywords: Agrostis stolonifera; Root temperature; Soil water retention; Water droplet penetration test; Water repellency; Wetting agent evaluation
Trade Names:Cascade Plus
Abstract/Contents:"Wetting agents are commonly applied to golf turf to solve moisture issues. They may alter water retention in the rootzone as well as prevent localized dry spots by reducing the degree and persistence of soil water repellency. Reapplication is needed to maintain these functions; however, it is unclear how much environmental factors such as soil temperature and water volume from irrigation or rain events influence an ideal reapplication interval. The objective of this research was to test if a wetting agent, Cascade Plus, lost function when exposed to different soil temperatures over time. Creeping bentgrass (Agrostis stolonifera) plugs in conetainers were maintained at three soil temperature treatments (21.5, 28, and 34.5 Ā°C) within porous heat baths. Water retention, water droplet penetration time (WDPT), critical moisture content, and the area below the WDPT-soil moisture curve were quantified 10, 20, and 30 days after a single Cascade Plus application. These soil water repellency parameters were compared across time points and to an untreated control. Preliminary results suggest that Cascade Plus may reduce all of the quantified soil water repellency parameters at all soil temperature exposure levels compared to an untreated control, and water retention measured gravimetrically was not a useful function to determine its efficacy. Results from this work will lead to a clearer understanding of environmental influence on wetting agent functions for more efficient reapplication programs."
Note:This item is an abstract only!
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Schwab, R., B. Horgan, and S. Bauer. 2019. Wetting agent influence on soil water repellency parameters at different rootzone temperatures. Agron. Abr. p. 120102.
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