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The Epic Interactive Encyclopedia 1998
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Epic Interactive Encyclopedia, The - 1998 Edition (1998)(Epic Marketing).iso
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podzol,_or_podsol
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INFOTEXT
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1992-09-01
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535b
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15 lines
Type of light-colored soil found
predominantly under coniferous forests and
moorlands in cool regions where rainfall
exceeds evaporation. The constant downward
movement of water leaches nutrients from the
upper layers, making podzols poor
agricultural soils. The leaching of minerals
such as iron, lime and alumina leads to the
formation of a bleached zone, often also
depleted of clay. These minerals can
accumulate lower down the soil profile to
form a hard, impermeable layer which
restricts the drainage of water through the
soil.