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Soil Chemistry (Key Terms: (acid: hydrogen ions exceed hydroxyl ions in…

- - - - 0.0 to 7.0 is acidic.
      - Examples:
        1.0 is a very acidic.
        6.0 is slightly acidic.
      - Acid: hydrogen ions exceed hydroxyl ions in the soil solution.
    - - 7.0 to 14.0 is basic.
      - Examples:
        8.0 is slightly basic.
        14.0 is a strong base.
      - Alkaline: hydrogen ions exceed hydroxyl ions in the soil solution.
  - - - Carbonic acid reacts with other elements in soil.
        
        Forms soluble bicarbonates that are leached away.
        
        Leaves soil more acidic.
    - - Basic nutrients are leached.
        
        Replaced by acidic elements.
    - - Bases are removed.