1. 200 300 400 500 100 200 300300300 400 500 Organisms NN TransOrganic Matter Soil Taxonomy

2. N - 100 Transformation of organic N to inorganic N. Mineralization

3. N- 200 Leaching, volatilization, denitrification, immobilization N losses

4. N - 300 Gaseous loss of N under high moisture situations in the presence of a C source Denitrification

5. N- 400 Stable compost releases N through this process Mineralization

6. N - 500 Recalcitrant compounds of high molecular weight resulting from the breakdown of plant residues and the microbial biomass Humus

7. Taxonomy - 100 The great group Haplaquolls belongs to this soil order. Mollisols!!! And you Better know this one

8. Taxonomy - 200 The great group Hapludoll belongs to this soil order, soil moisture regime, and will support this major crop. Mollisols, udic, corn

9. Taxonomy - 300 When comparing these two soil subgroups, which one is the “wettest?” Typic Haplaquolls Aquic Hapludolls Typic Haplaquolls

10. Taxonomy- 400 Place the following three soils in correct order from high to low elevation in a soil toposequence. Clarion—Typic Hapludolls Webster—Typic Haplaquolls Nicollet—Aquic Hapludolls Clarion, Nicollet, Webster

11. Taxonomy - 500 Place the following three soils in correct order from high to low elevation in a soil toposequence. Clarion—Typic Hapludolls Markey—Typic Borosaprists Webster—Typic Haplaquolls Nicollet—Aquic Hapludolls Clarion, Nicollet, Webster, Markey

12. Organic Matter - 100 Tillage causes the loss of this compound Carbon dioxide—CO 2

13. Organic Matter - 200 Catalyse reactions but are not consumed by the reactions. Chroma Enzymes

14. Organic Matter - 300 An aerobic process whereby C:N ratios decrease through microbial degradation Composting

15. Organic Matter - 400 Filamentous organism that attach to plant roots thereby providing increased root mass and nutrient uptake Mycorrhizal fungi

16. Organic Matter- 500 a C:N ratio common in soil 10:1

17. N Transformations - 100 N loss as nitrate out of the bottom of the root zone Leaching

18. N Transformations - 200 N loss resulting from surface application of urea Volatilization

19. N Transformations. - 300 Transformation of inorganic N to organic N Immobilization

20. N Transformations. - 400 Process by which most of the N fertilizer is made Haber Bosch

21. N Transformations. - 500 N losses from surface applied poultry litter Volatilization

22. Organisms – 100 Prokaryotes Organisms whose DNA is not found within a membrane bound nucleus

23. Organisms – 200 Lichen This organism is a symbiotic relationship between an alga and a fungus

24. Organisms – 300 Heterotrophs Derive energy from preformed C compounds

25. Organisms – 400 Autotrophs Derive energy from carbon dioxide

26. Organisms – 500 Fungi Are filamentous organisms important to degradation of cellulose and lignin