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Blocky (ABK or SBK)

Blocky (ABK or SBK). common in B horizons, particularly in humid regions ABK (angular) more common in soils higher in smectite SBK (less angular) more common in soils higher in kaolinite. Prismatic (PR). most common in clayey subsoils, fragipans

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Blocky (ABK or SBK)

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  1. Blocky (ABK or SBK) • common in B horizons, particularly in humid regions • ABK (angular) • more common in soils higher in smectite • SBK (less angular) • more common in soils higher in kaolinite

  2. Prismatic (PR) • most common in clayey subsoils, fragipans • height of ped is greater than width of ped; angular tops

  3. Platy (PL) • width is wider than height • commonly found in compacted soil horizons • natural compaction • fragipans • dense basal till • artificial compaction • plow plans

  4. Structureless single grain (SG) massive (MA)

  5. Soil Structure structureless single grain granular 2SBK 2SBK

  6. Horizon Properties Soil Color Munsell Notation Hue Value Chroma

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