Lock 5

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Across
  1. 2. a shared space in a community
  2. 4. natural fertilizer that 'feeds the soil' (ex. compost and manure)
  3. 7. Something that can be added in urban spaces to improve air quality, lower the heat island effect and provide beauty
  4. 9. the maximum amount someone can take from a population so that it can still recover
  5. 14. a method of harvesting lumber for maximum yield and cost efficiency
  6. 16. A method of controlling wildfire fuel
  7. 19. A measure of the open spaces in soil
  8. 21. trees planted like a crop and harvested when large enough for lumber
  9. 22. the practice of changing the type of crop planted in a field each season
  10. 23. an underground reservoir of water
  11. 24. A type of mining where a large hole is dug
  12. 27. the start of a movement in farming to mechanize practices and increase crop yield
  13. 31. manmade fertilizer to 'feed the plant'
  14. 34. (abbr.) a preventative approach to managing pests
  15. 35. a efficient method of raising farm animals focused on high yield. Animals are usually confined and kept in large numbers.
  16. 36. growing multiple crops in a field
  17. 38. a type of grazing that mimics the movement of wild herd animals
  18. 39. With lots of irrigation the soil becomes saturated with salt
  19. 41. a synthetic spray for treating pests
  20. 42. another name for fish farming
Down
  1. 1. Using resources in a way in which future generations will still have access
  2. 3. a plant that can fix nitrogen back into the soil
  3. 5. irrigation with sprinklers
  4. 6. When too much overgrazing causes the land to lose all vegetation
  5. 8. a crop used to keep a field covered even if not a food crop
  6. 10. A method of harvesting lumber in strips so the forest can reseed itself
  7. 11. A type of mining where sections are removed from the side of a mountain
  8. 12. A pest management method of using a predator to consume its prey
  9. 13. Plants that last for more than a year
  10. 15. the way we describe a measurement of all of the ways a person consumes carbon
  11. 17. When the water table is raised too high and plants drown
  12. 18. Building steps on a hilly farm field to help control runoff
  13. 20. an open pasture method of raising animals focused on grazing
  14. 25. The least invasive logging method that involves removing specific trees from a stand
  15. 26. growing one crop in a field
  16. 28. The biggest challenge with urban spaces due to high levels of concrete
  17. 29. a measure of hoe acidic or basic something is
  18. 30. the practice of turning over soil before planting in agriculture
  19. 32. when you irrigate crops by flooding the strips of land between rows
  20. 33. the most water-efficient method of irrigation
  21. 37. The third essential plant nutrient in addition to Nitrogen and Phosphorous
  22. 40. The ability for water to pass through something