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SlideshowReport

Soil Horizons

Description
Soil Profile
Soil forming processes operate from the surface downward
Horizons – zones or layers of soil

Horizons in temperate regions
O – organic matter
A – organic and mineral matter
E – little organic matter
Eluviation
Leaching
B – zone of accumulation
C – partially altered parent material

Topsoil
Zones O and A together
Solum
“True soil”
O, A, E, B together
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