X-ray CT images from different soils (IMAGE)
Caption
Above: Two-dimensional sections from X-ray CT images of samples from Luvisol, Chernozem, and Gleysoil soils, which differ in their moisture regime (from left to right). They show how differently pores (yellow), organic residues (purple), the soil matrix (green), and stones (brown) are distributed. Below: The soil organic matter was labelled with osmium. Differences in carbon content are expressed in the mean osmium concentration from low (blue) to high (yellow). The carbon contents are variable over small areas in all soils.
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UFZ
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