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10 Cards in this Set
- Front
- Back
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Alfisols
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soils of deciduous forests, relatively fertile, medium brown, rich in aluminum and iron.
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Aridisols
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middle ages soils of dry regions, pale colors, sandy, low in organic materials.
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Entisols
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young soils of dry or cold regions, pale colors, sandy, low in organic materials.
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Histosols
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very young organic peaks and mucks, dark brown to black, often acidic.
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Inceptisols
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young soils of arctic regions and mountain areas only slightly weathered.
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Mollisols
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soft, crumply, dark soils formed under grass, high organic content.
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Oxisols
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soils of the warm, moist tropics, highly weathered, thin, acidic, infertile surface layers.
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Spodosols
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young, acidic soils of cool, moist confier forests, underlain by a pale, ash-colored layer.
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Ultisols
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very old, nutrient-poor soils of mountains and other highly weathered soils.
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Vertisols
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middle aged soils, crack when dry, smell when wet.
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