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12 Cards in this Set
- Front
- Back
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Entisol |
Central concept:Very recent soil Where is it found: What horizons does it cover: What can it be used for: |
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Inceptisol |
Central concept: Location: Mountain ranges What horizons does it cover: What can it be used for: |
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Andisol |
Location: Northwest Central concept: Volcanic soil Horizons: A,Bw1,Bw2,2BC,2C Soil use: |
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Gelisol |
Central concept: Frozen layer of soil throughout most of the year Location: almost only found in alaska Land use: Poor for building, Poor for crops Horizons |
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Histosol |
Primarily Organic materials Stacks of o horizons :Oap,Oa,Oe,Oa forms in wetlands, Very large water content Agriculture rice and cranberries, fertile if drained Engineering: Hard to build on due to high water content, up to 85% less volume wen drained. Found in coastal area |
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Aridisol |
Core concept:Contain enough water to support plant life for no more than 90 days a year. Horizons: A,Bt,Bk,Bkm,R Very very old soils accumulation of gypsum very poor for agriculture if not irrigated |
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Vertisol |
Horizons:A,AB,Bss1,Bss2 Central concept: High concentration of shrink swell clays significant vertical cracks Location: found in alternate wet dry period areas Engineering: very hard to build on |
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Mollisol |
Horizons,A1 thick,A2,Bw,E,BE,Btb Central concept: Thick dark A horizon Agriculture: most Agriculturally productive soil Spread throughout U.S but mainly in the west Grassland soil |
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Alfisol |
Thinner a horizon than mollisol, more moisture Horizons:A,E,BE,Bt,Bt,Bt versital soil for crops and building |
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Ultisol |
Horizon:A,E,Bt,C Highly weathered, less fertile soil Acidic in nature and needs fertilizer Southeastern united states |
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Spodisol |
Horizons:Oi,E,Bhs,Bs,C Central concept: leeching and removal of coloring agents from soil Needs acidic vegetation, Very acidic soil. Spotty distrubution needs water to leech material out of the soil Generally sandy texture not good for buildings |
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Oxisol |
Horizons: Ap,Bo1,Bo2, The oldest and most intensely weathered soil Lots of iron oxide most primary minerals are gone tropical climates. Lots of vegitation but not very nutrient rich. agriculture is only sustainable for short periods of time. Time is dominant factor |
