Subsoil

As a bottom of the lower portion of the soil is called that is not or only slightly humus, only slightly penetrated by roots and is barely animated, where the weathering of minerals takes place and the displaced through seepage substances are enriched.

If the soil is cultivated by agriculture, so counts the total amount recognized by the editing area to the upper floor and the unrecognized portion for sub-floor.

From the bottom emergence ago but contrast include those soil horizons to the upper floor, from which materials such as clays, oxides and salts are washed out.