Across
- 2. soil particles are pressed together
- 5. Larger, crude rock
- 6. Measure of acidity or alkalinity of soil
- 8. built up layer of organic matter
- 9. to much rain causing loss of plant nutrients within a soil
- 12. proportion of sand silt and clay within a soil
- 15. Acid rain
- 17. Physical break down of rock through things like climate, water, and wind
- 18. downward entry of water into soil
- 20. Soil Layers (multiple)
Down
- 1. Movement of water through soil itself
- 3. the way sand,silt, and clay are assembled into soil
- 4. living and nonliving plants, animals, and microorganisms in soil
- 7. water unable to drain
- 10. Second soil layer
- 11. soil layers
- 13. Smaller broken down rock
- 14. altering chemical elements within a soil to improve plant growth
- 16. bacteria, actinomycetes, fungi, algae, protozoa, and nematodes
- 19. first soil layer
