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Keywords soils

Study

TermDefinition
Soil A thin layer of loose organic material on the surface of the land
Natural resource Something that is natural and is used by humans
Organisms Living beings
Parent material A type of rock that is broken down by weathering to form soil
O horizon The very top layer containing a lot of organic matter (the only layer exposed to sunlight
A horizon The topsoil (under the O horizon)
B horizon The subsoil (under the A horizon)
C horizon The last layer of soil (made out of bedrock)
Brown earth soils The most common type of soil in Ireland
Gley soils A grey and sticky soil
Peaty soils A dark, brown and slightly wet soil
Leaching When heavy rainfall washes minerals, nutrients and humus down into the subsoil
Soil erosion the removal of soil caused by wind and water
Deforestation The removal of trees caused by humans for human use
Reforestation Replacing trees that have been removed with new ones
Over-cropping Cropping too much that soil becomes unhealthy
Natural vegetation Vegetation that has naturally grown in its original location
Created by: KBertier
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