Soil

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Soil

affected by

time

parent material

relief

organisms

climate

Layers

bedrock “R”

just rock

“C horizon”

bedrock and soil

subsurface “B horizon”

mostly large rocks and some soil in between

roots

biomantle “A horizon”

soil and soil organisms

upper most “O”

dead organic matter

weathering and erosion

loam

best convination

silt

sand

clay

Hecho por Sol Valle Carrillo y Violeta Sarubbi

Soil Orders:

doesn’t depend on latitude scheme:

Vertisol

located in Su Dan

it's dry

mainly formed by clay

Histosol

located in Canada and river Deltas

acid

rich in organic matter

wetland soils

Andisol

located in volcanic Andes

rich in nutrients

it’s volcanic soil