Soil 454 Final Exam Review

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Across
  1. 7. Common Aridisol suborder in ID along with argid and calcid
  2. 11. Bt subsurf. horizon with low activity clays
  3. 13. Percent of this must be above 35 to be an Alfisol
  4. 15. True or false hydric soil conditions prevent crop cultivation
  5. 16. what Paul wants to say for a great semester of Pedology
  6. 19. Aquerts are almost exclusively found near a major ___
  7. 21. limiting growth factor in Torric SMRs
  8. 22. Suborder found with udults in SE USA Coastal Plain
  9. 23. Clay films often indicate a Bt horizon and this subsurf. horiz.
  10. 26. Mollisol pathway with anaerobic-limited OC decomposition
  11. 27. Major crop grown in a Belt of alfisols
  12. 29. Migration of SiO2 from soil forming Bo horizons
  13. 30. Common Mollisol suborder in northern ID
  14. 31. What Paul wishes you on the final
  15. 33. deep dark epipedon with Base sat below 50%
Down
  1. 1. Suborder of OR state soil (Jory)
  2. 2. Most common soil order on Earth
  3. 3. Potential subsurf. horiz. result for a young Entisol
  4. 4. Horizon description appearing in CaCO3 stage III
  5. 5. Three __ pathways to Mollisol formation
  6. 6. As depth to CaCO3 increases in Mollisols annual productivity ___
  7. 8. Lone cementation agent of a duripan
  8. 9. Number of Aridisol suborders
  9. 10. Soil order that causes a gilgai landscape pattern
  10. 12. Brittle dense Bx layer
  11. 14. Mollisol suborder with poor drainage
  12. 15. MAT under 8 C is either Cryic or this STR
  13. 17. SMR limited by saturation
  14. 18. Determines Oxisol suborder (abbrev)
  15. 20. Dominant soil order in Nevada
  16. 24. Rich black Oxisol amendment Terra __
  17. 25. Albic subsurf. horiz. indicates this in profile
  18. 28. between Alfisol and Ultisol the soil that’s generally older
  19. 32. most of the US east of the Rockies is this SMR
  20. 34. Cambic subsurf. horiz. usually means this horizon