Full TGIF Record # 63748
Item 1 of 1
Publication Type:
Content Type:Abstract or Summary only
Author(s):Rinehart, G. J.; Baird, J. H.; Calhoun, R. N.; Schabenberger, O. S.
Author Affiliation:Rinehart, Baird, Calhoun: Michigan State University; Schabenberger: Virginia Polytechnic Institute
Title:Detection of leaf tissue in creeping bentgrass and annual bluegrass using near infrared spectrometry
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. 137.
# of Pages:1
Publishing Information:[Madison, WI]: American Society of Agronomy, Crop Science Society of America, Soil Science Society of America
Keywords:TIC Keywords: Agrostis stolonifera; Poa annua; Near-infrared reflectance spectroscopy; Leaf tissue; Nitrogen; Mowing height; Nitrogen fertilization; Fertilization rates; Application rates; Reflectance; Measurement
Abstract/Contents:"Site-specific application of nutrients to turfgrass has the potential to save money and reduce environmental impact. The objective of this study were to develop a method to determine N content of and evaluate this application for two different turf species under different mowing heights. Nitrogen was applied at rates of 1.2, 2.4, 3.6, and 4.8 g N/m-2 periodically over a two-month period to annual bluegrass (Poa annua L.) and creeping bentgrass (Agrostis palustris Huds.) mowed at heights of 14 mm or 4 mm. A direct light spectrometer was used to measure reflectance expresed as "log1/R". After spectrometer readings were obtained, clippings were harvested from each plot and analyzed for N using a dry combustion CNS analyzer. Analysis of the data yielded correlation between reflectance values and plant tissue N content."
Note:This item is an abstract only!
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Rinehart, G. J., J. H. Baird, R. N. Calhoun, and O. S. Schabenberger. 1999. Detection of leaf tissue in creeping bentgrass and annual bluegrass using near infrared spectrometry. Annu. Meet. Abstr. 91:p. 137.
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