Chapter 12 Soil & Agriculture

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Across
  1. 2. when too many animals eat too much of the plant cover
  2. 3. physical and chemical process that breaks down rocks and minerals
  3. 4. providing water other than precipitation to crops
  4. 6. reduces productivity of arid lands
  5. 10. transforms steep slopes into a series of steps like a staircase
  6. 12. chemicals that kill organisms that attack or compete with plants
  7. 15. farmers alternate crops grown in a field
  8. 16. the turning over of soil before planting
Down
  1. 1. the build up of salt in upper soil horizons
  2. 5. medium size particles of soil
  3. 7. deterioration of the soil
  4. 8. continuous mass of solid rock
  5. 9. plant supporting system made up of organic and inorganic materials
  6. 11. a cross-section of all the soil horizons
  7. 13. smallest particles of soil
  8. 14. largest particle of soil