Science · Soils

Silt Loam

Smooth, fertile soil high in silt — productive but prone to crusting and compaction.

Soil texture class

Profile

Silt content
50%+
Drainage
Moderate to slow
Water holding
High
CEC
Moderate

Water & soil targets

Moisture (VWC)
Field capacity ~28–36%; wilting point ~10–14%
Salinity tolerance
Moderate
Drought tolerance
Good

High plant-available water; slow infiltration means runoff if applied too fast.

Problems to watch

  • Crusting
  • Compaction
  • Runoff

Stress signs

  • Puddling
  • Surface sealing

Where you'll find it

  • Agriculture
  • Parks

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General agronomic guidance and typical ranges; actual targets vary by site, soil, climate and season.