- Will various soils high in organic matter and humus always have a high level of microbiological activity—Yes or No? (Circle choice) Explain.
- Explain how the C/N ratio of various organic materials influences the time required for microbiological decomposition.
- List 5 specific benefits of adding organic residues to soils.
- What are the 6 most important factors affecting the decomposition of crop residues and other organic waste materials added to soil? (Hint—Consult your text book for possibilities.)