Soil

Soil Orders:

Entisol

no soil horizons

more common

Inceptisol

starts development of “B horizon”

Gelisol

found in mountain areas

has permafrost

located in the northern of Russia and Canada

Spodosol

found in the equator areas

coniferous forest and boreal forest biomes

very acid

non-fertile

located in Canadian east coast and Scandinavia

Alfisol

found in deciduous forest and broadleaf

rich on Fe and Al

fair in horizon development

located in east coast USA

Ultisol

found in subtropical or humid areas

rich in Iron

Aridisol

luck of water

occur in human places or desert places

located in Arabia, Australia, northern Chirowa and western Chiroway

Mollisol

dark soils

found in grassland regions

great for agriculture

located in American midwest, the Pampas, Russia

Oxisol

found in rainforests

non-fertile

most developed horizons

rich in iron

located in Amazon and Congo

doesn’t depend on latitude scheme:

Andisol

it’s volcanic soil

rich in nutrients

located in volcanic Andes

Histosol

wetland soils

rich in organic matter

acid

located in Canada and river Deltas

Vertisol

mainly formed by clay

it's dry

located in Su Dan

Hecho por Sol Valle Carrillo y Violeta Sarubbi

weathering and erosion

clay

sand

silt

loam

best convination

Layers

upper most “O”

dead organic matter

biomantle “A horizon”

soil and soil organisms

subsurface “B horizon”

roots

mostly large rocks and some soil in between

“C horizon”

bedrock and soil

bedrock “R”

just rock

affected by

climate

organisms

relief

parent material

time