Lessivage is a kind of leaching from clay particles being carried down in suspension. [1] The process can lead to the breakdown of peds (the particles that give the soil its characteristic structure).

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  1. ^ Skinner, Malcolm; Redfern, David; Farmer, Geoff (1996). The complete A-Z Geography handbook. Hodder and Stoughton. p. 172. ISBN 0-340-65489-9.