Value is most affected by wetting the soil color.
Hue, like red or yellow, is the general shade of the soil. Value describes how light or dark the soil color is, whereas chroma describes how intense or gray the color is.
- Value describes how light or dark the soil color is, whereas chroma describes how intense or gray the color is.
- A chroma of 2 or less, which denotes anaerobic conditions and prolonged flooding or saturation, is typical of hydric soils.
- Water momentarily changes the color of the earth by absorbing more light. Additionally, soil color may change over time as a result of moisture.
- For instance, iron oxides are mainly found in the ferrous state when they are present under anaerobic soggy circumstances. These may impart a light bluish-gray hue to the soil.
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