APES soil conservation

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Across
  1. 3. the N, P, and K as well as other elements that plants need
  2. 5. organic layer of dirt
  3. 8. produces dirt from rock
  4. 9. O2, but the name written out
  5. 10. the chemical break down of rock
  6. 11. medium sized topsoil type
  7. 13. shows the layers of the soil
  8. 14. parent material. rock w/ little weathering
  9. 15. bedrock. completely unweathered; solid rock
  10. 17. subsoil. tiny rock particle leak from top soil
  11. 20. H2O, but the name written out
Down
  1. 1. 1889, very dusty, kinda bowly; there is a football game named after it.
  2. 2. the top layer of soil, made of sand, silt, and Clay
  3. 4. CO2, but the name written out
  4. 6. the mechanical breakdown of rock
  5. 7. synonymous with plowing. aerates the soil, increases the rate of percualtion
  6. 10. smallest topsoil type
  7. 12. topsoil, organic matter mixed w/ rock
  8. 16. top layer of soil profile, humus
  9. 18. add minerals to dirt
  10. 19. largest top soil type