Definitions for "Illuviation"
Keywords:  horizon, eluvial, profile, soil, upper
The movement of soil material from one horizon to another in the soil profile. Generally, material is removed from an upper horizon and deposited in a lower horizon.
The deposit of materials carried by water from one horizon into another within the soil (such as clay or nutrients in solution).
Deposition of humus, chemical substances, and fine mineral particles in the lower layers of a soil from upper layers because of the downward movement of water through the soil profile. Compare with eluviation.