Albert's Plant Agriculture crossword

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Across
  1. 2. Matter that plants get from the air
  2. 4. horizon containing mainly topsoil
  3. 5. Best soil type for farming
  4. 6. horizon containing mainly subsoil
  5. 8. Intermediate rock particle size
  6. 9. The process of loosening and mixing soil
  7. 12. the process of a water moving downward through soil
  8. 13. a layer of the soil
  9. 14. Classifies soil based on amount of each different particle size
  10. 15. partially decomposed plants and animals
  11. 17. Horizon containing mainly parent material
  12. 18. Mixture of Humus, Rock, water, air, and living organisms
  13. 20. Chemical Breakdown of rocks
Down
  1. 1. physical breakdown of rocks
  2. 3. horizon containing mainly Bedrock
  3. 7. period of intense dust storms during the great depression
  4. 10. horizon containing Humus and non decomposed plant matter
  5. 11. Shows all the layers of soil beneath the Earth's surface
  6. 16. Largest rock particle size
  7. 19. smallest rock particle size