: Paléoclimatologie: podzol

constituent of the planet Earth > earth surface > continental surface > soil > podzol

podzol

In soil science, podzols are the typical soils of coniferous or boreal forests and also the typical soils of eucalypt forests and heathlands in southern Australia. In Western Europe, podzols develop on heathland, which is often a construct of human interference through grazing and burning. In some British moorlands with podzolic soils, cambisols are preserved under Bronze Age barrows. Podzol means "under-ash" and is derived from the Russian (pod) +́ (zola); the full form is (podzolistaya pochva), meaning "under-ashed soil". It refers to the common experience of Russian peasants of plowing up an apparent under-layer of ash (leached or E horizon) during first plowing of a virgin soil of that type. Podzols can occur on almost any parent material but generally derive from either quartz-rich sands and sandstone or sedimentary debris from magmatic rocks, provided there is high precipitation. Most Podzols are poor soils for agriculture due to the sandy portion, resulting in a low level of moisture and nutrients. Some are sandy and excessively drained. (Adapted from: https://en.wikipedia.org/wiki/Podzol)

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