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ABS 225 Soils > Soil Classification - Subsurface Horizons > Flashcards

Soil Classification - Subsurface Horizons Flashcards

Mastery of Subsurface Horizons

1
Q

High activity of Silicate clays, Shiny coatings/skins

A

Argillic

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2
Q

High activity of Silicate clays but >15% exchangeable sodium

A

Natric

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3
Q

Low activity of Silicate clays, accumulation of Fe and Al oxides

A

Kandic

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4
Q

Highly Weathered and High Fe/Al oxides, Humid tropical and subtropical regions

A

Oxic

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5
Q

Colloidal organic matter and Al oxide, in Leached Forests, cool humid climates, sandy- parent material

A

Spodic

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6
Q

Light-colored, low clay and Fe/Al oxides, materials largely moved downward

A

Albic

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ABS 225 Soils (9 decks)

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