Full TGIF Record # 295612
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Web URL(s):https://scisoc.confex.com/scisoc/2017am/webprogram/Paper105270.html
    Last checked: 03/12/2018
Publication Type:
i
Report
Content Type:Abstract or Summary only
Author(s):Straw, Chase M.; Henry, Gerald M.
Author Affiliation:University of Georgia-Athens, Athens, GA
Title:Uniformity and spatial variability of soil moisture and irrigation distribution on natural turfgrass sports fields
Section:C05 Turfgrass Science
Other records with the "C05 Turfgrass Science" Section

Sports and golf turf management poster (includes student competition)
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Meeting Info.:Tampa, Florida: October 22-25, 2017
Source:ASA, CSSA and SSSA International Annual Meetings. 2017, p. 105270.
Publishing Information:[Milwaukee, Wisconsin]: [American Society of Agronomy and the Entomological Society of America]
# of Pages:1
Keywords:TIC Keywords: Comparisons; Irrigation uniformity; Native soil fields; Sand capping; Site-specific management; Soil moisture; Volumetric water content; Water distribution
Abstract/Contents:"Emerging technology that couples spatial irrigation distribution data with spatial plant and soil property data may provide a more robust assessment of irrigation system performance than previous methods. Research was conducted on a native soil and sand capped sports field to 1) compare the lower quarter distribution uniformity (DUlq) and spatial variability of soil moisture (volumetric water content; VWC) and irrigation distribution [using the catch can (CC) method], 2) investigate the influence of CC amount, soil compaction (penetration resistance), and turfgrass vigor (normalized difference vegetation index; NDVI) on VWC, and 3) delineate and compare site-specific management units (SSMUs) for VWC and CC amount in order to generate more informed irrigation-based management decisions. Volumetric water content DUlq was much higher than CC DUlq on the native soil field, but the DUlq's were similar on the sand capped field. Spatial maps of VWC and CC amount indicated that the spatial variability of VWC was not reflected in the spatial variability of CC amount on either field. Penetration resistance and NDVI were significant at predicting VWC on the native soil field (P<0.001 and 0.01, respectively), and their spatial maps resembled the VWC map. Only CC amount was significant at predicting VWC on the sand capped field (P<0.001), but their spatial maps were dissimilar. Volumetric water content SSMUs would be useful for site-specific irrigation, soil moisture sensor placement, or aerification. Catch can amount SSMUs would be useful to visually identify, and then correct deficiencies in water distribution of an irrigation system."
Language:English
References:0
See Also:Updated version appears in Journal of Soil and Water Conservation, 73(5) September/October 2018, p. 577-586, R=301224. R=301224
Note:"Poster #915"
This item is an abstract only!
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Straw, C. M., and G. M. Henry. 2017. Uniformity and spatial variability of soil moisture and irrigation distribution on natural turfgrass sports fields. Agron. Abr. p. 105270.
Fastlink to access this record outside TGIF: https://tic.msu.edu/tgif/flink?recno=295612
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    Last checked: 03/12/2018
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