soil

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Across
  1. 2. An interconnected community of living organisms and their environment
  2. 4. Someone who studies soil
  3. 5. A natural substance that you mix in with soil to improve plant growth
  4. 6. The canopy of a forest or upper layer of vegetation
  5. 10. The variety of life forms within a given ecosystem
  6. 11. The community of microorganisms that live in soil
  7. 12. A protective (and sometimes smelly!) covering for soil, often made of organic material like leaves or bark
  8. 13. Organic matter turned into nutrient-rich soil fertilizer
  9. 16. Examples of this include pH, texture, moisture content, compaction, and nutrient levels
Down
  1. 1. Healthy soil relies on native plant ________
  2. 3. What our team is studying!
  3. 7. If a soil is able to easily recover from disturbances, it has high ________
  4. 8. These plants are indigenous to the land they’re in
  5. 9. A landscaping technique that requires little or no irrigation
  6. 14. UCLA’s primary native plants and wildlife habitat
  7. 15. A natural creek on UCLA’s campus