Color estimation of forest-steppe soils by digital photography under laboratory conditions

被引：8
|
作者：
Valeeva, A. A. [1 ]
Aleksandrova, A. B. [2 ]
Koposov, G. F. [1 ]
机构：
[1] Kazan Volga Reg Fed Univ, Ul Kremlevskaya 18, Kazan 420008, Russia
[2] Inst Problems Ecol & Mineral Resources, Ul Daurskaya 28, Kazan 420087, Russia
来源：
EURASIAN SOIL SCIENCE | 2016年 / 49卷 / 09期
基金：
俄罗斯基础研究基金会;
关键词：
soil color; Munsell color chart; RGB system; forest-steppe soils; humus; Luvisols;
D O I：
10.1134/S1064229316090131
中图分类号：
S15 [土壤学];
学科分类号：
0903 ; 090301 ;
摘要：
Numerical values in the RGB, HSB, and L*a*b systems for the colors of structurally differentiated soils (Luvisols) in the Volga-Kama forest-steppe have been obtained using a digital camera. A high correlation has been revealed between the soil color and the content of humus in the range 0.39-6%. When the content of humus exceeds 6%, the color of humus horizon varies only slightly. A regression equation within the R-RGB range from 85 to 173 has been calculated for the rapid determination of humus content in low- and medium-humus texturally differentiated soils of the Volga-Kama forest-steppe.
引用
收藏
页码：1033 / 1037
页数：5
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