Gardening

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Across
  1. 2. P, N, Water
  2. 4. when the seed sprouts
  3. 10. waste, but "black gold"
  4. 11. way of bringing water to crops
  5. 13. naked ground,
  6. 15. decayed plant material
  7. 17. root vegetable
  8. 19. this class
  9. 21. natural removal of topsoil by a medium
  10. 22. embryonic plant covered in a shell
  11. 23. over-application, then transportation away
Down
  1. 1. head start on your garden, diminutive
  2. 3. additives to help plants, overuse creates runoff
  3. 5. according to documentary - wonder wood material
  4. 6. 33% to 40% of US food produced
  5. 7. 2p's, 2h's and no f's
  6. 8. first "leaves" to appear from seeds
  7. 9. planting, but in high population density
  8. 12. most abundant gas in atmosphere
  9. 14. a dangerous bloom
  10. 16. eroded rock + water + air + decay organic material
  11. 18. "natural" but not natural
  12. 20. greek prefix + camp bed