Full TGIF Record # 276585
Item 1 of 1
DOI:10.21273/HORTSCI11019-16
Publication Type:
i
Refereed
Author(s):Straw, Chase M.; Grubbs, Rebecca A.; Tucker, Kevin A.; Henry, Gerald M.
Author Affiliation:Department of Crop and Soil Science, University of Georgia, Athens, GA
Title:Handheld versus mobile data acquisitions for spatial analysis of natural sports fields
Section:Turf management
Other records with the "Turf management" Section
Source:HortScience. Vol. 51, No. 9, September 2016, p. 1176-1183.
# of Pages:8
Publishing Information:Alexandria, Virginia: American Society for Horticultural Science
Keywords:TIC Keywords: Compaction; Correlation; Equipment evaluation; Mobile technology; Normalized Difference Vegetation Index; Soil moisture sensors; Volumetric water content
Abstract/Contents:"Research compared handheld and mobile data acquisitions of soil moisture [volumetric water content (VWC)], soil compaction (penetration resistance), and turfgrass vigor [normalized difference vegetative index (NDVI)] of four natural turfgrass sports fields using two sampling grid sizes (4.8 x 4.8 m and 4.8 x 9.6 m). Differences between the two sampling grid sizes were minimal, indicating that sampling with handheld devices using a 4.8 x 9.6 m grid (120-130 samples) would achieve results similar to the smaller grid size. Central tendencies and data distributions varied among the handheld and mobile devices. Moderate to strong correlation coefficients were observed for VWC and NDVI; however, weak to moderate correlation coefficients were observed for penetration resistance at three of the four locations. Kriged maps of VWC and NDVI displayed similar patterns of variability between handheld and mobile devices, but at different magnitudes. Spatial maps of penetration resistance were inconsistent due to device design and user reliability. Consequently, mobile devices may provide the most reliable results for penetration resistance of natural turfgrass sports fields."
Language:English
References:42
Note:Figures
Tables
Graphs
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Straw, C. M., R. A. Grubbs, K. A. Tucker, and G. M. Henry. 2016. Handheld versus mobile data acquisitions for spatial analysis of natural sports fields. HortScience. 51(9):p. 1176-1183.
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DOI: 10.21273/HORTSCI11019-16
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