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Biological Soil Crusts
A detailed review of biological soil crusts, their formation, and ecological functions. Technical reference, photo gallery, references, and links. [eng]
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Soil Morphology
General information about soil morphology, horizons, boundaries, soil color, texture, structure, consistence, influence of rots, pH, and special features. Further reading. [eng]
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Soil Morphology
Instructions on how to determine soil horizons using information about soil color, texture, structure, and consistence, horizon boundaries, and special features. [eng]
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