Across
- 4. Shows the standard classification scheme for soil texture, based on the percentage of each separate by weight.
- 5. Young soils with minimal profile development.
- 7. The smallest particles in soil that are —usually a combination of silica and oxides of aluminum and iron.
- 9. Leaves, twigs, stalks, and other dead plant parts that accumulate at the soil surface.
- 10. Clumps that determine soil structure.
- 11. When ingredients are lost from the soil.
- 13. When ingredients are altered within the soil.
- 14. Distinctly recognizable layers in soil.
Down
- 1. Soil particles smaller than about 0.1 micrometer in diameter.
- 2. Relatively thin surface layer made up of a mixture of weathered mineral particles, decaying organic matter, living organisms, gases, and liquid solutions.
- 3. The mixing activities of animals in the soil.
- 4. When ingredients are moved within the soil.
- 6. The source of the rock fragments that make up soil.
- 8. When ingredients are added to the soil.
- 12. The name given to a texture in which none of the three principal separates dominates the other two.