Full TGIF Record # 317214
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Web URL(s):https://scisoc.confex.com/scisoc/2021am/meetingapp.cgi/Paper/138066
    Last checked: 04/04/2022
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Publication Type:
Content Type:Abstract or Summary only
Author(s):Gould, Thomas; Thoms, Adam; Thompson, Grant L.; Christians, Nick E.
Author Affiliation:Gould, Thoms, and Christians: Iowa State University, Ames, IA; Thompson: Horticulture, Iowa State University, Ames, IA
Title:Sports field recovery from unplanned suspension of maintenance activities
Section:Turfgrass management and ecology poster (includes student competition)
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C05 turfgrass science
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Meeting Info.:Salt Lake City, Utah: November 7-10, 2021
Source:ASA, CSSA and SSSA International Annual Meetings. 2021, p. 138066.
Publishing Information:[Madison, Wisconsin]: [American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America]
# of Pages:1
Abstract/Contents:"Athletic field managers often face periods of unplanned suspension from maintenance activities. These suspensions can be due to a variety of reasons including budgetary constraints, natural disasters, and pandemics as recently seen with COVID-19. When turfgrass managers return, turf height of cut (HOC) can be much greater than desired. Research was conducted on mature 'Moonlight' Kentucky bluegrass grown on a native soil. Turfgrass was left unmaintained from the beginning of the growing season through the end of May. Treatments were subjected to various maintenance regimes including combinations of: three different mowing treatments (⅓ rule, cut in half and then ⅓ rule, and scalp to final HOC of 5.1cm), two fertility programs (36.6 kg ha-1 and 73.2 kg ha-1) and were either subjected to Trinexapac-ethyl (TE) or not. Twenty-five simulated traffic events (STEs) were applied with a modified Baldree Traffic Simulator. Simulated traffic occurred in the fall of 2020. Digital images for percent green cover, surface hardness, and rotational resistance were tested after every five STEs. While there are differences in the slope, for the loss of percent green cover, treatment differences were lacking. Orthogonal contrasts determined no differences between regime variables in percent green cover. After 25 STEs small treatment differences were observed for rotational resistance and surface hardness. Although these differences were very minor between treatments. No hardness measurements were greater than 100 GMAX. Soil bulk density at a 10.2 cm depth was not different between any treatments. The minimum of a 2-month delay after achieving desired HOC before applying STEs may have allowed the turfgrass to acclimate and thus not result in STE stress to the degree that might be expected if simulated traffic occurred sooner after the desired HOC was reached. This study is being repeated for a second year."
Note:This item is an abstract only!
"Poster #1247"
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Gould, T., A. Thoms, G. L. Thompson, and N. E. Christians. 2021. Sports field recovery from unplanned suspension of maintenance activities. Agron. Abr. p. 138066.
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    Last checked: 04/04/2022
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