Across
- 3. form of inorganic nitrogen found naturally in the soil, plays a role in nutrition of plants
- 4. taxonomy principal reference to soil classification
- 6. measure of acidity or alkalinity in a soil
- 8. conductivity measure of salts in soil
- 11. rate at which water moves through the soil.
- 12. loose soil structure.
- 13. structure how the soil particles fit together
Down
- 1. created through decomposition and weathering of rock
- 2. water necessary for plant and animal growth
- 5. density indicator of soil compaction, weight of the soil in a given volume.
- 6. amount of air space between soil particles
- 7. holding capacity ability of a soil to hold water for plant use.
- 9. a blocky or platy structure.
- 10. almost equal parts of sand, silt and clay.
- 12. quality a review of the soil’s general health