Chemical and Biological Composition (Components) of Soil
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Topic Content:
- Inorganic (Mineral) matter
- Organic matterOrganic matter is anything that contains carbon compounds that were formed by living organisms. It covers a wide range of things like lawn clippings, leaves, stems, branches, moss, algae, lichens any... More (Soil organic)
- Soil water
- Soil air
- Living Organisms (Soil)
Mineral or Inorganic matter, organic matter, and water are collectively referred to as chemical components of the soil while living organisms are referred to as biological components of the soil.
Percentage of Soil Components by Volume:
| Component | Percentage by Volume (%) | |
| 1. | Mineral or Inorganic matter | 45 |
| 2. | Soil water | 25 |
| 3. | Soil air | 25 |
| 4. | Soil organic matter | 5 |
| 5. | Soil living organisms | Negligible |
This percentage of soil components can also be represented by a pie chart as shown below:
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