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APES Soil Properties
Terms in this set (13)
Ability of rock or soil to allow water to flow through it
Soils with Sand are more permeable, whereas soils with clay are less permeable
refers to how many pores, or holes, a soil has
it is bad if the soil is too dense because it wont have enough pore spaces for water and air which is essential for growth. Dense soil will be too difficult for roots to grow into.
All the vertical layers or horizons that make up a soil in a particular place
The layer of soil that differs in color and texture from the layers above or below it.
the uppermost horizon of soil. It is primarily made up of organic material, including waste from organisms, the bodies of decomposing organisms, and live organisms.
the layer below the O layer, formed of weathered rock, with some organic material; often referred to as topsoil.
Soil horizon that's considered the subsoil or zone of accumulation where minerals/nutrients leach into from O & A horizons
Soil horizon that's area of transition b/t parent material below & soil above, some leached materials
The bedrock, which lies below all of the other layers of soil, is referred to as the R horizon.
is the largest particle size, and is more permeable than the other
smaller than sand larger than clay, medium permeability and porosity
very small particle size, low permeability and low porosity, retains lots of water
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