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Unformatted text preview: Stability of peds depends on cementing agents that bind the sand, silt, and clay particles together:- soil organic matter (humus) chemical bonds, sticky polysaccharides- secondary carbonate and iron oxides chemical bonds- water films - tension- clay - flocculation, cationic bridges SOIL STRUCTURE Clods vs Peds- clods are produced by improper tillage wet soils, heavy equipment- peds are produced by soil forming processes more gentle and loving, happier soils SOIL STRUCTURE...
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This note was uploaded on 06/21/2011 for the course NRES 201 taught by Professor Olson,k during the Spring '08 term at University of Illinois, Urbana Champaign.
- Spring '08