soil

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Across
  1. 2. non organic soil particles
  2. 3. Ability of soil to hold water.
  3. 6. organisms either living or in various states of decay
  4. 7. The way in which soil particles are held together to form peds
  5. 10. An optimal texture for plant growth containing sand, silt and clay.
  6. 11. A measure of the acidity of the soil solution.
Down
  1. 1. Describes how well the soil keeps up its fertility.
  2. 4. A unit of soil structure.
  3. 5. The dark substance produced from the decay of organic matter.
  4. 8. The composition of mineral particles in a soil
  5. 9. Soil 'glue' made from clay and humus - important for soill structure.