Full TGIF Record # 302231
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Web URL(s):https://scisoc.confex.com/scisoc/2018am/meetingapp.cgi/Paper/112840
    Last checked: 11/19/2018
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Publication Type:
i
Report
Content Type:Abstract or Summary only
Author(s):Walker, Kristina S.; Chapman, Katy E.
Author Affiliation:Walker: University of Minnesota-Twin Cities, Crookston, MN; Chapman: Math, Science, and Technology, University of Minnesota, Crookston, MN
Title:Water conservation practices on the reduction of greenhouse gas emissions on creeping bentgrass putting greens
Section:C05 turfgrass science
Other records with the "C05 turfgrass science" Section

Turfgrass science - II poster
Other records with the "Turfgrass science - II poster" Section
Meeting Info.:Baltimore, Maryland: November 4-7, 2018
Source:ASA, CSSA and SSSA International Annual Meetings. 2018, p. 112840.
Publishing Information:[Madison, Wisconsin]: [American Society of Agronomy, Crop Science Society of America, and Canadian Society of Agronomy]
# of Pages:1
Abstract/Contents:"Soil moisture and temperature are known predictors of greenhouse gas (GHG) losses from highly managed turfgrass. Irrigation management practices that conserve water use have the potential to reduce GHG losses but may adversely affect overall turfgrass quality. A field study was developed to evaluate the impact irrigation regimes (Business as Usual [sun and shade], Supplemental Rainfall, Syringing, and Natural Rainfall), nitrogen (N) source (Urea and Milorganite), and rate (146 kg N ha-1 yr-1 and 293 kg N ha-1 yr-1) has on GHG (carbon dioxide [CO2], methane [CH4], and nitrous oxide [N2O]) emissions from creeping bentgrass (Agrostis stolonifera) greens. Sampling occurred weekly throughout the 2015-2017 growing season. Gas samples were taken using a vented closed gas chamber for 40 minutes. Soil temperature, soil moisture, canopy temperature, canopy greenness, and turfgrass quality data were also collected. Results indicate that nitrogen sources applied at the high N rate resulted in significantly higher emissions of both CO2 and N2O. Irrigation practices exposed to full sunlight (Supplemental Rainfall, Syringing, Business as Usual Sun), thus having a higher soil temperature, resulted in significantly higher emissions of both CO2 and N2O; the reverse was true for irrigation treatments experiencing shade from nearby trees (Business as Usual Shade [2015-2017] and Natural Rainfall [2015-2016]). Both turfgrass quality and canopy greenness were significantly impacted by irrigation practices, N source, and rate. Canopy greenness was improved with the higher rate of Milorganite and Urea. Higher turfgrass quality was associated with the use of Milorganite at both the high and low N rates. Canopy temperature was significantly affected my irrigation regime; supplemental rainfall and syringing had elevated canopy temperatures due to a lack of shade. Water conservation practices implemented on non-shaded greens resulted in higher soil and canopy temperatures (May-September) that contributed to GHG losses from creeping bentgrass putting greens."
Language:English
References:0
Note:This item is an abstract only!
"332"
"Poster Number: 1228"
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Walker, K. S., and K. E. Chapman. 2018. Water conservation practices on the reduction of greenhouse gas emissions on creeping bentgrass putting greens. Agron. Abr. p. 112840.
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    Last checked: 11/19/2018
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