Soils

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Across
  1. 2. A physical property of soil determined by the size of the soil particles.
  2. 4. A condition when all the pore space is filled with water.
  3. 5. Term used to describe the movement of water in the soil.
  4. 6. Soil PH of 7
  5. 9. The remaining water left all the excess water has drained out due to forces of gravity.
  6. 11. The smallest soil particle, it is slick and sticky when wet, firm when moist and very hard when dry.
  7. 13. Water too tightly bound to the soil particles and is unavailable to the plant.
  8. 15. They break down orgainic matter and convert it into a form that can be used by plants.
  9. 18. Soil on the surface or the very top layer.
  10. 22. A soil with free carbonte compounds that coat soil particles and adversely affect soil fertility, erodibility and available water.
  11. 24. The rock in which the soil was formed.
  12. 25. Term used to describe a soil layer
Down
  1. 1. The direction north, south east or west the slope is facing.
  2. 3. A reaction that occurs when hydrochloric acid is added to lime soil causing carbon dioxide to be released which bubbles or fizzes.
  3. 7. Medium textured soils that are silty and spongy in nature.
  4. 8. Soil PH of 5.5
  5. 10. Soil PH Of 8.5
  6. 12. When the pore spaces are completely void of water.
  7. 14. The largest of soil particles, it can be seen with the naked eye and it feels gritty.
  8. 15. Refers to the arrangement and properties of the various soil layers.
  9. 16. The layer of soil under the top soil, usually lighter in color because little to no organic matter is present.
  10. 17. Medium sized soil particle with a smooth velvety texture.
  11. 19. The natural process by which rock is broken down into smaller pieces.
  12. 20. A physical property of soil based on how the soil particles stick together.
  13. 21. The bottom layer in a soil profile, usually bedrock, shale or gravel.
  14. 23. A measure of the percentage of clay and organic matter in the soil which are both negatively charged and tend to bond to positively charged nutrient in the soil.