Flocculation

Flocculation, in the field of chemistry, is a process in which colloids come out of suspension in the form of floc or flake, either spontaneously or due to the addition of a clarifying agent. In soil aggregate formation first coagulation of colloids appears and the bigger flakes are forming. Colloids origin is from mineral as well from organic part of the soil.
 
Formation of soil structure

 

 

Soil structure

(E. Reintam, G. Stegarescu)
 
Soil structure can be defined from pedological, engineering, ecological and edaphological approaches. In pedological terms, soil structure is a “three dimensional arrangement of individual mineral grains and organic constituents” (Lal, Shukla, 2004). More common is definition that soil structure is defined as the combination and arrangement of primary (individual) soil...
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