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