Soils 101
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Posljednje ažuriranje over 5 years ago
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Define "soil."
The composition of soil is dependent on _____.
Match the average percentage (by volume) with the correct soil ingredient.
| Stavka koja se može prevući | arrow_right_alt | Odgovarajuća stavka |
|---|---|---|
25% | arrow_right_alt | Air |
25% | arrow_right_alt | Humus (organic matter) |
5% | arrow_right_alt | Minerals |
45% | arrow_right_alt | Water |
Explain how the minerals that primarily compose soil are produced.
Match the mineral particles with the correct particle size.
| Stavka koja se može prevući | arrow_right_alt | Odgovarajuća stavka |
|---|---|---|
Clay | arrow_right_alt | A. |
Silt | arrow_right_alt | B. |
Sand | arrow_right_alt | C. |
Of the three, which particle is the most reactive mineral ingredient in the soil?
What two elements occupy the pore spaces and are essential to the life of soil organisms?
Identify what humus or organic matter is comprised of.
Match the characteristic with the correct soil-forming factor.
Exposure to rain and growing plants.
Unconsolidated organic and mineral material.
Soil temperature and water availability.
Localized changes in moisture and temperature.
Recycling of nutrients by various organisms.
Climate
Landscape Position
Living Organisms
Parent Material
Time
Sequence the soil horizons in the correct order from the uppermost layer (1) to the lowest layer (6).
R horizon
O horizon
C horizon
B horizon
A horizon
E horizon