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Web URL(s): | https://dl.sciencesocieties.org/publications/aj/pdfs/60/6/AJ0600060640 Last checked: 12/09/2016 Requires: PDF Reader Access conditions: Item is within a limited-access website |
Publication Type:
| Refereed |
Author(s): | Birth, Gerald S.;
McVey, George R. |
Author Affiliation: | Birth: Agricultural Engineering Department, Purdue University, Lafayette, Indiana; McVey: Research Agronomist, O. M. Scott & Sons, Marysville, Ohio |
Title: | Measuring the color of growing turf with a reflectance spectrophotometer |
Source: | Agronomy Journal. Vol. 60, No. 6, November/December 1968, p. 640-643. |
Publishing Information: | Washington, D.C.: American Society of Agronomy |
# of Pages: | 4 |
Related Web URL: | https://dl.sciencesocieties.org/publications/aj/abstracts/60/6/AJ0600060640 Last checked: 12/09/2016 Access conditions: Item is within a limited-access website Notes: Abstract only |
Keywords: | TIC Keywords: Color evaluation; Spectrophotometry; Visual evaluation; Quality evaluation; Spectral analysis
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Abstract/Contents: | "A single-beam spectrophotometer was used to measure the spectral reflectance properties of growing turf. From the data a two-wavelength reflectance ratio R745/R675 was developed, for an objective index of turf color. This ratio changed from 3.0 for light green turf color to 6.5 for dark green turf color. (visual rating of 4 to 10, respectively). A two-filter instrument (Ratiospect) was used to measure this index on eight samples of turf of three species. A correlation of 0.984 was obtained between the Ratiospect readings and a visual score of turf color." |
Language: | English |
References: | 5 |
Note: | Pictures, b/w Figures Graphs |
| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete): Birth, G. S., and G. R. McVey. 1968. Measuring the color of growing turf with a reflectance spectrophotometer. Agron. J. 60(6):p. 640-643. |
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| Web URL(s): https://dl.sciencesocieties.org/publications/aj/pdfs/60/6/AJ0600060640 Last checked: 12/09/2016 Requires: PDF Reader Access conditions: Item is within a limited-access website |
| MSU catalog number: S 22 .A45 |
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