FIGURE 13.2 Map showing EMH, using the standard procedure used in Norway for commercial soil survey with the EM-ECa method (above), and measured soil organic matter (SOM) content. Soil sample locations are indicated by black dots.
classes, respectively (data not shown). Mean silt content increased from the lowest to the highest class but showed a decrease from class 3 to 5. A similar trend was seen for the sand fractions (for total sand see Table 13.2), but with opposite signs, as the sand content decreased from the lowest to the highest class. Hence, none of the texture fractions were unambiguously reflected by the soil survey map.
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