Terms in this set (14)
Rotting organic matter. Source of soil nutrients.
Denoted by 'O', the top soil layer which contains the leaf litter and humus.
The process by which water moves down through the soil.
Organic matter from pine needles and heather which makes acid humus.
The movement of dissolved minerals between horizons.
Top soil - A horizon
The upper layer of the soil, usually with most organic matter but can be leached.
Subsoil - B horizon
Lower soil horizons, usually containing more rocks and minerals than topsoil.
The process by which minerals are translocated out of a horizon (E=Exit).
The process by which minerals are translocated into a horizon (I=In)
Leaves and organic matter shed by plants into the soil.
A hard iron layer in the B horizon of a podsol.
Upland soil with a grey, leached Ae horizon and an Iron Pan and yellow B horizon.
Lowland, fertile soil with a well-mixed top and subsoil and showing feint horizons.
Waterlogged soil with blueish hue and highly infertile.
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