APES Irrigation 5.5

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Across
  1. 1. rate that water permeates into an aquifer
  2. 3. one of the largest aquifers in the world
  3. 5. inefficient method of irrigation of digging troughs next to plants
  4. 7. water underground available for humans
  5. 9. aquifer recharges quickly
  6. 10. filling of space
  7. 12. most efficient method of irrigation, but expensive
  8. 14. easy method of irrigation of covering field in water
  9. 16. empty spaces in soil
  10. 17. build up of salt in the soil
  11. 19. water stored in pores of permeable sedimentary rock
  12. 21. blocked aquifer, long-term recharge rate
  13. 22. water transfer along the surface causing soil erosion
  14. 23. travel downwards into the soil
Down
  1. 2. water use for livestock and irrigation
  2. 4. poking holes in soil to get air, water and nutrients into the soil
  3. 6. too much water for plants
  4. 8. loss of land fertility due to soil salinization and desertification
  5. 11. water transfer from liquid to gas
  6. 13. process of supplying water to land
  7. 15. growth of deserts
  8. 17. efficient, but must pay for equipment and energy to pump water
  9. 18. water use at home
  10. 20. water use for power plants