12 terms
Soil Orders Quiz :\
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Alfisols
Found in: Oklahoma (OK)
•topsoil is gray brown or brown
•formed under temperate deciduous forests
•high level of nutrients in topsoil
•topsoil is gray brown or brown
•formed under temperate deciduous forests
•high level of nutrients in topsoil
Andisols
Found in: northwestern US
•volcanic glass content
•strongly weathered soil
•volcanic glass content
•strongly weathered soil
Aridosols
Found in: Nevada (NV), New Mexico (NM)
•little leaching
•form in arid regions
•not much organic matter to replace nutrients
•little leaching
•form in arid regions
•not much organic matter to replace nutrients
Entisols
Found in: Oklahoma (OK) western area
•sandy
•no evidence of horizon development
•sandy
•no evidence of horizon development
Gelisols
Found in: Alaska (AK)
•have permafrost
•organic layer has evidence of frost burn or seasonal thaw layer
•have permafrost
•organic layer has evidence of frost burn or seasonal thaw layer
Hostosols
Found in: Louisiana (LA), Florida (FL), northern Minnesota (MN), Wisconsin (WI), and Michigan (MI)
•found in bogs, peat
•predominately organic
•formed in waterlogged areas
•found in bogs, peat
•predominately organic
•formed in waterlogged areas
Inceptisols
Found in: New England and Appalachian Mts.
•small amounts of organic matter
•weathering is minimal
•earliest soil horizon development
•small amounts of organic matter
•weathering is minimal
•earliest soil horizon development
Mollisol
Found in: eastern Oklahoma (OK)
•found in temperate grasslands
•high levels of humus
•fertile w/ thick, dark brown topsoil
•found in temperate grasslands
•high levels of humus
•fertile w/ thick, dark brown topsoil
Oxisols
Found in: Hawaii (HI)
•found in hot, wet, tropical regions
•nearly featureless
•found in hot, wet, tropical regions
•nearly featureless
Spodosols
Found in: upper New England, upper Michigan (MI), and South Carolina (SC)
•form under coniferous trees
•not suited for agriculture
•form under coniferous trees
•not suited for agriculture
Ultisols
Found in: Georgia (GA), Alabama (AL), South Carolina (SC)
•lack of litter
•low in nutrients
•found in hot, wet areas
•lack of litter
•low in nutrients
•found in hot, wet areas
Vertisols
Found in: Mississippi (MS) river basin around Louisiana (LA)
•high clay content
•deep, wide cracks
•shrink when dry, swell when wet
•high clay content
•deep, wide cracks
•shrink when dry, swell when wet