Across
- 4. the proportion of sand, silt, and clay sized particles that make up the mineral fraction of the soil
- 5. desirable proportions of plant nutrients, chemicals, and living organisms
- 7. the process by which water on the ground surface enters the soil
- 10. a soil layer that corresponds to the B Horizon that is composed almost entirely of mineral
- 11. the fraction of soil organic matter that is amorphous
- 13. matter that contains a large amount of carbon based compounds
- 14. a material or structure formed from a loosely compacted mass of fragments or particles
Down
- 1. element essential for normal body functions
- 2. medium sized particles of organic matter
- 3. the process of wearing or being worn by long exposure to the atmosphere
- 4. a vertical succession of horizons, commonly lettered A,B,C that have been subjected to soil forming
- 6. silt-sized sediment that is formed by the accumulation of wind blown dust
- 8. all the pores in a rock; the volume of such pores
- 9. proportions of organic matter, fine mineral particles
- 12. largest soil particles