kendra simmons. what is soil? foundation for all land biomes
Post on 12-Jan-2016
214 Views
Preview:
TRANSCRIPT
Kendra Simmons
What is soil?Foundation
for
all
land
Biomes.
Soil is Classified Divided into horizonsO HorizonA HorizonB HorizonC Horizon
Soil is Classified O Horizon
Most superficialContains fallen
leaves, grassroots, twigs and other organic material.
Soil is Classified A Horizon
Top soilEnriched mineral
nutrientshumus, iron,
aluminum silicates and clay.
Soil is Classified B Horizon
Bands of distinctive colorsDecomposed
materialPlant roots
Soil is Classified C Horizon
Deepest layerWeathered Parent
materialBed rock
Affected by :Organisms & Age
Affected by: Climate & Elevation
top related