SOILS

SOILS

1. Factors in soil formation

   • Time
   • Geology
   • Relief
   • Drainage
   • Climate
   • Vegetation
   • People

2. Podzol

   • Found on steeper land
   • MILDLY ACIDIC MOR HUMUS
   • B horizon orangey brown colour due to leaching
   • Severe leaching - PODZOLISATION
   • Roots don't go very deep = don't break up parent material
   • Biota = mites and springtales

3. BROWN EARTH

   • MILDLY ACIDIC MULL HUMUS
     • Rich humus - deciduous trees
   • Deeper roots break up parent material
   • Well weathered rock
   • Good biota = Worms

4. GLEY

   • Peaty
   • Waterlogging
   • Clearly defined layers
   • Not well weathered rock

Bilder und Dateien der Mindmap