Full TGIF Record # 317139
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Web URL(s):https://scisoc.confex.com/scisoc/2021am/meetingapp.cgi/Paper/134081
    Last checked: 03/31/2022
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Publication Type:
Content Type:Abstract or Summary only
Author(s):Bolton, Connor; Tucker, Kevin; Henry, Gerald M.
Author Affiliation:Bolton and Henry: University of Georgia-Athens, Athens, GA; Tucker: Crop and Soil Sciences, University of Georgia-Athens, Athens, GA
Title:Comparing liquid aeration with hollow tine cultivation
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. 134081.
Publishing Information:[Madison, Wisconsin]: [American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America]
# of Pages:1
Abstract/Contents:"Turfgrass systems are often subjected to frequent traffic events resulting in soil compaction. Mechanical aerification may be employed to alleviate compaction, increase water infiltration, and enhance gas exchange within the soil profile. Liquid aerification products claiming to remediate soil compaction have recently entered the market with minimal supporting research. Therefore, the objective of our research was to compare the response of bermudagrass to liquid aeration and hollow tine cultivation. A field experiment was conducted during the summer of 2020 in Athens, GA on a 'TifTuf' hybrid bermudagrass fairway maintained at 1.3 cm. Treatments were initiated on 15 July 2020 and consisted of monthly applications of N-Ext Air 8 (5% soluble potash + humic and fulvic acid) at 19 L ha-1, fertilizer (18-0-1) at 51 L ha-1, fertilizer (18-0-1) at 51 L ha-1 + N-Ext Air 8 at 19 L ha-1, and N-Ext Air 8 at 19 L ha-1 + N-Ext RGS (1% soluble potash + humic and fulvic acid + sea kelp extract) at 19 L ha-1; a single hollow tine core aerification (5.4 cm depth) and a single hollow tine core aerification followed by 2 monthly applications of N-Ext Air 8 at 19 L ha-1. At 28 days after initial treatment (DAIT), only treatments including core aerification reduced soil compaction (-283 to -365 kPa), while all other treatments increased soil compaction 834 to 1834 kPa compared to the non-treated check (621 kPa). All treatments exhibited slightly lower surface hardness (Gmax) compared to the non-treated check except N-Ext Air 8 applied alone. This may be associated with small increases in root mass (g) exhibited by those same treatments compared to the non-treated check. Water infiltration rate was increased 28 DAIT in response to all treatments except fertilizer applied alone. Liquid aeration is not a replacement for mechanical aerification events."
Note:This item is an abstract only!
"Poster #1241"
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Bolton, C., K. Tucker, and G. M. Henry. 2021. Comparing liquid aeration with hollow tine cultivation. Agron. Abr. p. 134081.
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    Last checked: 03/31/2022
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