USDA Soil taxonomy
classification of soil types
Alfisols
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Alfisol
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Alfisol
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Alfisols distribution
Andisols
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Andisol
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Andisol
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Andisols distribution
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Gli Andisol nel mondo
Aridisols
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Aridisol
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Aridisol
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Aridisols distribution
Entisols
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Entisol
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Entisol
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Entisols distribution
Gelisols
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Gelisol
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Gelisol
Histosols
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Histosol
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Histosol
Inceptisols
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Inceptisol
Mollisols
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Mollisol
Oxisols
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Oxisol
Spodosols
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Spodosol
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Humus Podzol
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Moder podzol
Ultisols
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Ultisol
Vertisols
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Vertisol