Establishing a Lawn

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Across
  1. 3. A risk to soil lacking ground cover
  2. 7. One factor in determining zones/regions
  3. 8. Earth layer protected by lawns
  4. 9. Needed to protect against water damage
  5. 10. One of two ways to establish a lawn
  6. 13. Measured by grades. Should not exceed 15%
  7. 15. Must be removed prior to planting.
Down
  1. 1. Lawns can endure wet soil, but not ___-like conditions.
  2. 2. Loam is equal parts clay, sand, and ___.
  3. 4. Organic matter to be added to the soil should be ___.
  4. 5. Never remove more than 1/3 of the grass when ___.
  5. 6. A common type of grass in mild regions
  6. 11. Most common soil for lawns
  7. 12. Soil must be kept ___ in order for seeds to grow.
  8. 14. Surface layer of ground which includes the lawn