Across
- 2. water insoluble mixture made from organic matter by bacteria and fungi
- 4. what type of pollutant is generated from pesticides and herbicides
- 5. use in coolant and insulator in electrical equipment such as generators
- 6. when the quality of the soil has been affected in some way
- 7. common organic soil pollutant from bactericides and fungicides
- 10. decreased soil quality and can lead to a serious decline in the yield of crops
- 12. caused by industrial discharge and improper dumping of toxic waste material
- 13. what is the shape of silicon(IV) oxide
- 14. is added in desserts to improve plant growth
Down
- 1. caused by excess nutrients from phosphates and nitrates
- 3. has active sites that enable it to bind to nutrient cations
- 8. process in which nitrogen and phosphorus is broken down to roots
- 9. what does SOM stand for?
- 11. what is in the synthesis of proteins and chlorophyll
- 12. caused by constant or excess irrigation