Full TGIF Record # 63250
Item 1 of 1
Publication Type:
Content Type:Abstract or Summary only
Author(s):Guertal, E. A.; Shaw, J. N.; Copenhaver, K. L.
Author Affiliation:Guertal, Shaw: Auburn University; Copenhaver: ITD/Spectral Visions
Title:Remote sensing of turfgrass stress
Section:Turfgrass science
Other records with the "Turfgrass science" Section
Meeting Info.:Salt Lake City, UT: October 31 - November 4, 1999
Source:1999 Annual Meeting Abstracts [ASA/CSSA/SSSA]. Vol. 91, 1999, p. 131.
Publishing Information:[Madison, WI]: American Society of Agronomy, Crop Science Society of America, Soil Science Society of America
# of Pages:1
Keywords:TIC Keywords: Remote sensing; Reflectance; Methodology; Problem diagnosis; Compaction; Nitrogen fertilization; Fertilization rates; Cynodon dactylon; Cynodon transvaalensis; Measurement; Bulk density
Cultivar Names:Tifway
Abstract/Contents:"Determining the source and extent of turf stress is important for turf managers, and methods which provide quantification of turf stress are needed. Spectroradiometers, which read reflectance over a range of wavelengths, offer potential for measuring turf stress. The objective of this work was to determine the suitability of a spectroradiometer for quantifying turf and soil compaction and evaluating turf quality as affected by N rate. Two studies were conducted on 'Tifway' bermudagrass (Cynodon dactylon x C. transvaalensis). The compaction study consisted of 5 compaction levels, and the N rate study consisted of 5 N rates applied monthly. Significant differences in compaction were achieved, as bulk density measurements had a linear increase with increasing traffic. Significant correlations were identified between sod reflectance and soil compaction in the VIS. This was in part due to a degradation in chlorophyll causing increased reflectance in the VIS."
Note:This item is an abstract only!
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Guertal, E. A., J. N. Shaw, and K. L. Copenhaver. 1999. Remote sensing of turfgrass stress. Annu. Meet. Abstr. 91:p. 131.
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