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9 Cards in this Set
- Front
- Back
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which horizon is named for its organic composition
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O horizon
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which horizon is the presence of humus and clay particles in this horizon is important for providing a chemical link between soil nutrients and plants...its also darker and richer in organic content compared to lower horizons
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A horizon
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what horizon is made up o f coarse sand, silt, and resistan minerals.
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E horizon
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which horizon has clays, alum. and iron leached from A and E and deposited here.
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B horizon
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whcih horizon consists of weathered rock or weathered parent material...near regolith
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C horizon
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solum refers to the combination of which horizons
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A E and B
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what process removes clay and minerals from the A and E horizons and carries them into B horizon
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eluviation
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what process is a depositional process involving the accumulation of clays, alum oxides, and iron oxides to the B horizon
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illuviation
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what are the 4 basic soil structures
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1. platy
2. prismatic 3. blocky 4. spheroidal |
