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Questions and Answers
The primary components of soil include small particles, water, air, and organic and inorganic minerals.
The primary components of soil include small particles, water, air, and organic and inorganic minerals.
True (A)
Black basaltic soils in Ethiopia are easy to farm due to their high clay content.
Black basaltic soils in Ethiopia are easy to farm due to their high clay content.
False (B)
Vegetation contributes to soil formation by adding humus.
Vegetation contributes to soil formation by adding humus.
True (A)
Climate does not have any effect on the soil formation process.
Climate does not have any effect on the soil formation process.
Erosion often leads to deeper soils on slopes and hills.
Erosion often leads to deeper soils on slopes and hills.
Flashcards
Parent rock material
Parent rock material
The base material from which soil forms, usually rock broken down through weathering and decomposition.
Climate
Climate
The combination of temperature and precipitation that shapes the soil development process.
Vegetation
Vegetation
Plants and their decaying matter contribute to soil fertility and structure.
Topography
Topography
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Red basaltic and black basaltic soils
Red basaltic and black basaltic soils
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Study Notes
Soil Formation in Ethiopia
- Soil is the loose material above the Earth's crust, composed of small particles, water, air, organic, and inorganic materials. It supports animals and plants.
Factors Influencing Ethiopian Soil Formation
- Parent rock material: Parent rock breaks down into smaller particles through weathering and decomposition.
- Climate: Temperature and moisture levels affect the speed and type of soil formation processes. Extreme heat or cold can hinder bacterial activity.
- Vegetation: Plants add organic matter (humus) to the soil, supporting soil organisms.
- Topography: Slopes are prone to erosion, resulting in shallower soils.
Soil Types in Ethiopia
- Plateaus (North, Northwest, Southwest, Central, Southeast): Parent rocks are volcanic, leading to red and black basaltic soils. Sufficient rainfall occurs in these areas.
- Black Basaltic Soils: These soils have a high clay content, making them difficult to farm.
- Red Basaltic Soils: The text notes these soils differ in character from the black basaltic soils, likely by clay content, making one easier to farm than the other.
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