Leaves, Roots, and Soil

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Across
  1. 3. Acid on the pH scale
  2. 4. O horizons contain a lot of this material
  3. 9. The E horizon lacks organic matter due to this movement
  4. 10. Backbone of the leaf
  5. 11. Once living material that increases fertility
  6. 12. Soil formation factor that includes temperature and precipitation
  7. 14. Plant product used for human consumption
  8. 16. Microscopic organism in soil, usually a symbiotic relationship
  9. 17. Plant product used for livestock consumption
  10. 18. Finely branched roots
  11. 20. Removal of the productive topsoil by wind and water
  12. 23. Root that grows above ground - no main root system
  13. 25. Soil rich in nutrients
Down
  1. 1. Mineral matter in a soil
  2. 2. Measure of the acid or alkalinity of a soil, range from 1-14
  3. 5. Edge of the leaf, used for identification
  4. 6. Main part of the leaf
  5. 7. example of a common taproot crop
  6. 8. Most desireable agricultural soil, equal parts sand, silt and clay
  7. 12. Smallest particle size
  8. 13. One central root
  9. 15. Neutral on the pH scale
  10. 16. Soil formation factor that are living things
  11. 19. Largest particle size
  12. 21. Common leaf food resource
  13. 22. Alkaline on the pH scale
  14. 24. Material from which the soil was formed, C horizon