Paper I · 7 Geography of India · 7.1.7 Biogeography and soils of the world
7.1.7.1 Soil formation: factors, processes and the soil profile
Soil forms slowly from weathered rock as climate and living things work on it over time; its layers (horizons) record these processes, and its five controlling factors are parent material, relief, climate, organisms and time.
- TGPSC MPSO / ASO · Paper I
- Standard level
- 8 min read
- Full course
Key terms
- soil
- pedogenesis
- pedology
- parent material
- topography
- climate
- biological activity
- time
- humus
- peat
- hardpan
- kanker
- desilication
- laterisation
- podzolisation
- calcification
- salinisation
- gleying
- eluviation
- illuviation
- soil horizons
- soil profile
- Rhizobium
- soil conservation
- mulching
- contour barriers
- terrace farming
- shelter belts
What this note covers
- Core factsFoundation
- ExplainedStandard
- DeeperAdvanced
- Mains writingMains writing
- Common trapsFoundation
- Quick revisionFoundation
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