Authors
Donald F Post, Ray B Bryant, AK Batchily, Alfredo R Huete, Steven J Levine, M Dewayne Mays, Richard Escadafal
Publication date
1993/1/1
Journal
Soil color
Volume
31
Pages
35-49
Publisher
Soil Science Society of America
Description
We prepared sets of <2 mm soil samples, distributed them to soil scientists, and asked them to determine the dry and moist Munsell color of each soil. We observed that soil scientists agreed on the same color chip for a single color component (hue, value, or chroma) 71% of the time, and there was an average of 52% agreement for all three color components. The standard deviation (SD) varied from 0.45 (value‐moist) to 0.68 (chroma‐moist) with an average SD of 0.57. Regression equations were computed that compared the mean soil color with the nearest color chip noted by an individual soil scientist, and the coefficient of simple determination (r 2 ) ranged from 0.49 (chroma‐moist) to 0.79 (value‐moist and dry). When “in‐between” colors were estimated the r 2 improved and ranged from 0.70 (chroma‐moist) to 0.95 (value‐moist). A detailed evaluation was made of data from a commercial tristimulus colorimeter …
Total citations
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Scholar articles
DF Post, RB Bryant, AK Batchily, AR Huete, SJ Levine… - Soil color, 1993