SOIL CROSSWORD

3. Another word for the R horizon
8. Another name for the Earth's crust in a soil profile... begins with an 'R'
9. An additional highly leached horizon found in forest soil profiles, white in colour (1,7)
11. Another word for the A horizon, high in organic matter and living organisms
12. When clay and dissolved minerals are washed down to accumulate in a lower horizon
13. A brown deposit resembling soil, formed by the partial decomposition of vegetable matter in the wet acidic conditions of bogs

1. Of organic molecules, to break down into smaller molecules
2. Red coloration often indicates the presence of this compound (composed of a common metal and oxygen)(4,5)
4. Sediment often found accumulated in B horizon
5. Another word for the B horizon, high in leached materials
6. Compositional layer of soil, stratum
7. Another name for the C horizon (6,8)
10. Organic component of soil