Soil Mgmt #3

Card Set Information

Author:
Anonymous
ID:
63797
Filename:
Soil Mgmt #3
Updated:
2011-02-02 23:34:28
Tags:
Compaction
Folders:

Description:
Compaction
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  1. Method to measure soil compation
    Cone electrometer
  2. Layer of hardened soil
    Pan
  3. Type of pan that occurs where extreme illuviation has caused a high clay content in the subsoil
    Claypan
  4. Type of pan that results from clay particles depositing in the layer and binding into a hard brittle zone
    Fragipan
  5. Type of pan where horizons are cemented by a clay common to the tropics. Dried lintwhite reaches the consistency and hardness of brick
    Plinthite
  6. Type of pan where chemicals cement soil particles together
    Caliche and Durapans
  7. Trunk Diameter Method for preventing compaction around trees during construction
    1 inch of diameter, 1-1.5 feet to space around trunk
  8. Dripline Method for preventing compaction around trees during construction
    Rope off at dripline or 1.5 times the dripline for narrow canopies
  9. Three Height Method for preventing compaction around trees during construction
    For trees with narrow crowns, determine how many feet would be 40% of the tree height. Use this as the radius
  10. Five types of compaction remediation
    Organic amendments, air injection, soil perforation, aeration tubing, trenching
  11. During soil perforation, this tool causes less compation
    Core Aerifyer

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