SOIL 454 Test 4 review

Edit Answers
123456789101112131415161718192021222324252627282930313233343536373839
Across
  1. 2. Percent of this must be above 35 to be an Alfisol
  2. 8. Potential subsurf. Horiz. Result for a young Entisol
  3. 9. Cambic subsurf. Horiz. Usually means this horizon
  4. 10. MAT under 8 C is either Cryic or this
  5. 11. most common soil order on Earth
  6. 15. Rich black Oxisol amendment, Terra __
  7. 16. Bt subsurf. Horizon with low activity clays
  8. 18. As depth to CaCO3 increases in Mollisols, annual productivity ___
  9. 19. what Paul wishes you on the final
  10. 21. Determines Oxisol suborder (abbrev)
  11. 22. clay films often indicate a Bt horizon and this subsurf. Horiz.
  12. 23. Lone cementation agent of a duripan
  13. 25. most of the US east of the Great Plains is this SMR
  14. 27. Suborder of OR state soil (Jory)
  15. 30. common Mollisol suborder in northern ID with 21 in. precip per year
  16. 31. what Paul wants to say for a great semester of Pedology
  17. 34. True or false, hydric soil conditions prevent crop cultivation
  18. 37. between Alfisol and Ultisol, the soil that’s generally older
  19. 38. US state where most Vertisols are found
  20. 39. Migration of SiO2 from soil forming Bo horizons
Down
  1. 1. Subsurface diagnostic horizon of Inceptisols
  2. 3. deep, dark epipedon with Base sat below 50%
  3. 4. Soil order that causes a gilgai landscape pattern
  4. 5. number of Aridisol suborders
  5. 6. Three __ pathways to Mollisol formation
  6. 7. Mollisol suborder with an E horizon
  7. 12. Albic subsurf. Horiz. Indicates this in profile
  8. 13. dominant soil order in Nevada
  9. 14. Horizon description appearing in CaCO3 stage III
  10. 17. common Aridisol suborder in ID along with argid and calcid
  11. 20. diagnostic subsurface horizon of Oxisols (Bo)
  12. 21. US region where most Ultisols are found
  13. 22. Mollisol suborder with saturation/poor drainage
  14. 24. Suborder found with udults in SE USA Coastal Plain
  15. 26. major crop grown in a “Belt” of Alfisols
  16. 28. limiting growth factor in Torric SMRs
  17. 29. True or false, Oxisols are not naturally fertile soils
  18. 32. Likely Suborder of a gray Vertisol from India
  19. 33. Order dominating the central US/Great Plains
  20. 35. SMR with plant growth limited by saturation
  21. 36. Brittle, dense, Bx layer