Soil and topographic factors

In this topic

• Soil as an edaphic factor
• Texture, water, air and reaction
• Salinity, the soils of Uzbekistan and erosion
• Topographic (orographic) factors

Key terms

• Edaphic factors
• Soil profile
• Humus
• Fertility
• Mechanical composition
• Acidophiles
• Neutrophiles
• Basiphiles (calciphiles)
• Halophytes
• Secondary salinisation
• Erosion
• Altitudinal zonation

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