Chemical Properties of Soil

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Across
  1. 2. The swapping of ions between free cations and the soil particles
  2. 4. A soil with a pH higher than 7
  3. 7. The smallest particles of clay and humus
  4. 10. The amount of cation exchange a soil can perform
  5. 11. This is done to raise the pH of a soil
Down
  1. 1. The chemical composition of ground limestone
  2. 3. A soil with a pH lower than 7
  3. 5. These ions increase the pH of a soil
  4. 6. Clustering together of soil particles in aggregates
  5. 8. These ions lower the pH of a soil
  6. 9. A measure of the acidity of a soil