Soil Conservation and Agriculture

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Across
  1. 2. The farming practice of growing multiple types of crops in alternating years
  2. 5. Top most layer of soil composed of 100% organic material
  3. 11. Rows of trees planted to block wind from destroying crops
  4. 14. The farming practice of flipping topsoil upside down before planting seeds
  5. 16. The loss of a soil's ability to support most life
  6. 18. Chemicals used to inhibit predation of crops
  7. 19. The farming practice of transporting water controlled amounts of water to crops
  8. 22. The increase of salt concentration in soil
  9. 25. Thin layer of soil that is made of fine, leached materials
  10. 27. The farming practice of planting crops in rows that follow the natural shape of the land
  11. 28. Large-sized soil texture
Down
  1. 1. The mass loss of pollinating bee species
  2. 3. Layer of soil made of weathered minerals with a small mix of humus
  3. 4. Another name for the A horizon
  4. 6. Another name for the R horizon
  5. 7. Bacteria that provides the genetic code to genetically modify crops to produce a protein toxic to pest insects
  6. 8. The farming practice of growing multiple types of crops in alternating rows
  7. 9. Layer of partly weathered minerals
  8. 10. Another name for the C horizon
  9. 11. Medium-sized soil texture
  10. 12. Another name for the B horizon
  11. 13. Layer of soil that is a balanced mix of humus and minerals
  12. 15. The spread of agricultural technology to reduce malnutrition & starvation in developing nations
  13. 17. The removal of soil from an area
  14. 18. Predators of crops
  15. 20. Layer of parent material
  16. 21. Small-sized soil texture
  17. 23. The farming practice of converting hillside into flats steps to better maintain water for crops
  18. 24. Another name for the E horizon
  19. 26. Decomposed organic material in soils