Translations:Benutzer:Arian/Klett-Mini-Test/400/en

degrading, crystal-structure-dissolving weathering forces. Between the A- and C-horizons, the weathering or B-horizon articulates itself, in which primary (through weathering) and secondary (through new crystallisation) clay formation takes place. The clay-enriched B-horizon constitutes the true middle member in the soil. Its dynamics mirror the rhythms of the course of the year: downward, toward the head side, it holds the enlivened atmospheric water and with it the substances dissolved in it against gravity; upward, it enters into connections with the humus (clay-humus complex) and provides for the processual continuity in the building up of soil fertility.