Soil

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Across
  1. 2. spaces, gaps between soil particles.
  2. 3. the way in which soil particles stick together.
  3. 7. substances in soil needed by plants for growth
  4. 8. bacteria and fungi.
  5. 10. the proportion of sand, silt and clay in a soil.
  6. 11. plant or animal material.
  7. 13. organisms with thread-like cells.
  8. 14. a fertile soil that is a good mixture of sand, silt and clay.
Down
  1. 1. a light crumbly soil.
  2. 4. the layer of soil beneath the topsoil.
  3. 5. single-celled microscopic organisms.
  4. 6. the top layer of the soil, where most plants grow.
  5. 9. the washing away of nutrients from the soil.
  6. 12. decaying material from plants and animals.