Crossword Puzzle

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Across
  1. 3. ________ of soil health
  2. 4. white soil has _____ and salts
  3. 7. smooth and silky when wet
  4. 10. absorbs most water
  5. 11. 78% of ______ is found in the atmosphere
  6. 12. soil is a mixture of ____ materials
  7. 14. the capacity of soil to function as a living organism
  8. 16. in 1930, when farmers abandoned sustainable soil
Down
  1. 1. cover soil prevents____
  2. 2. space between particles
  3. 5. What this puzzle is about.
  4. 6. found in soil exchange carbon and make nitrogen available to plants
  5. 8. refers to the proportion of sand, silt, and clay-sized particles
  6. 9. _____ and air is 20 to 30 percent of soil
  7. 13. the largest particle, doesn't hold water well
  8. 15. weathered ____ is the main ingredient in soil