Science Quiz / Soil Orders

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Can you name the soil order?

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Forced Order
Score 0/12 Timer 01:30
DescriptionSoil Order
soils with weakly developed subsurface horizons
Volcanic ash parent material
CaCO3-containing soils of arid environments with subsurface horizon development
acid forest soils with a subsurface accumulation of metal-humus complexes
intensely weathered soils of tropical and subtropical environments
< 5.5 pH, leached, illuvial clay in B horizon
Permafrost within 100cm of surface
organic soils, usually wet, peats, slow decomp of OM
soils with little or no morphological development
B horizon enriched with silicate clays >5.5 pH
clayey soils with high shrink/swell capacity (semi-arid grasslands)
high organic matter, high base saturation, grasslands

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