Across
- 2. A lesser known element found in the earth's crust
- 5. a common organic soil pollutant, caused by the over application of fertilizers and/ pesticides
- 6. the colloquial term for an organic-material saturated soil additive for deserts (2 words)
- 9. controls the amount of water that enters via osmosis
- 10. over use of this fertilizer can lead to eutrophication (2 words)
- 12. The material in containing silicates and silica (2 words)
- 14. the abbreviation to the mixture of non living organic components in soil
- 15. The word used to describe the make-up of soil
- 16. The result of chemical and physical weathering of rocks, as well as biological decomposition.
- 17. salinization may be caused by a rise in the ___________ (2 words)
- 19. the plural abbreviation for a pollutant often used as an insulating fluid in electric equipment
- 20. Fungi-controlling chemicals
Down
- 1. the abbreviation of the substance, PCBs which uses alkyl tin compounds as stabilizers
- 3. the collection of salt and water soluble ions in soil
- 4. The product of chemical weathering of limestone, calcium carbonate (2 words)
- 7. A process carried out by man to better preserve nutrients in soil (2 words)
- 8. replaces nutrients (2words)
- 10. the removal of essential nutrients and minerals resulting in decreased soil quality (2 words)
- 11. Bug killing chemicals
- 13. hummus contains half of this, as well as nitrogen
- 15. Nitrogen is used in the synthesis of this.
- 18. contains two weak acids which dissociate partially (2 words)