Unit Eight Water and Soil Conservation

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Across
  1. 7. When the water fills all the spaces or pores in the soil.
  2. 8. The addition of water to the land to supplement the water provided for crop production by rain or snow
  3. 13. To remove all foreign material
  4. 15. The cycling of water among the water sources, atmosphere, and surface areas.
  5. 16. Water the is drinkable and free from harmful microorganisms or chemicals.
  6. 19. the practice of tillage, planting, and other farming operations performed on or near the contour of the field slope.
  7. 20. Water that flows up the mouth of a river with rising or in-flowing ocean tides
  8. 21. planting crops without plowing or disking the soil.
Down
  1. 1. Moisture released gradually to feed the streams and rivers
  2. 2. Water that flows from the land to oceans and contains little or no salt.
  3. 3. Areas with severe water shortages
  4. 4. rain, snow, sleet, or hail that falls to the ground.
  5. 5. The amount and type of nutrients in the soil.
  6. 6. is a close-growing crop planted to temporarily protect the soil.
  7. 9. A large land area in which water from rain or melting snow is absorbed and form which water drains as it is emerges from springs and moves into the streams, rivers, ponds, and lakes.
  8. 10. The water that drains out of soil after it has been wetted
  9. 11. Changing from a liquid to a vapor or gas
  10. 12. is a material placed on the soil surface to break the fall of rain drops and prevent weeds from growing.
  11. 14. is made up of a sequence of living organisms that eat and are eaten by other organisms.
  12. 17. The process of wearing away of soil.
  13. 18. Where water soaks down into the soil