Soil

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Across
  1. 3. Which layer of soil consists of unweathered parent rock?
  2. 4. What are soils classified by?
  3. 9. Method of preserving soil is known as soil ______________
  4. 11. This component of soil improves soil texture
  5. 17. Process of dampening soil
  6. 18. This component of soil allows for unicellular(microorganisms) to breakdown dead plants and animals.
  7. 19. A soil which is able to hold a lot of minerals is also able to _________ a lot of water.
  8. 20. Creating a series of banks on hillside to reduce the slope of soil.
Down
  1. 1. Removal of trees is an example of poor agricultural practice.
  2. 2. A man-made water body (lake).
  3. 5. High temperatures during the day allows rocks to ______________
  4. 6. What is the name of the amount of water passing through a soil?
  5. 7. Process of planting crops in rows
  6. 8. This refers to the breaking down of rocks into smaller pieces
  7. 10. Very little humus is present in this layer of soil
  8. 12. Soil can be formed with the aid of water or wind by ______________ weathering.
  9. 13. Reduction of topsoil by wind and water
  10. 14. Enhancing the greenery of a field helps to improve its
  11. 15. This enrichment technique adds humus to soil.
  12. 16. What is the ability for soil to support plants?