Categorii: Tot - texture - fertility - organisms - soil

realizată de Tatyana Stefanova 10 luni în urmă

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SOIL

Soil classification includes azonal and zonal soils. Azonal soils are less developed and found in areas like recent alluvium and steep slopes. Zonal soils are significantly influenced by climate, with various types including desert, laterite, and tundra soils.

SOIL

SOIL

Types of soils

Azonal soils
Azonal soils are poorly developed and occur along the recent alluvium, steep slopes or sand deposits.
Zonal soils
Zonal soils are characterised by the dominant influence of climate.

Desert Soils

Reddish Brown Soils

Chernozem/Prairie/Steppe

Laterite Soils

Brown Forest Soils

Podzols

Tundra Soils

Soil formation factors

6) time
5) topography
4) parent material
3) soil organisms
2) vegetation
1) climate

Soil Profile

R (bedrock)
C (parent material)
B (subsoil)
A (topsoil)
O (humus or organic)

Properties of Soil

Soil fertility
Soil Color
Soil Structure
Soil Texture

Soil forming processes

3) downward leaching of fine particles
2) incorporation of organic matter
1) physical and chemical weathering of parent materia