1. Texture is arguably the single most important soil property – why?

2. What is the purpose of the 12 textural classes that have been established by the USDA?

3. How are soil texture and structure affected by management?

4. A cylindrical core sampler (10 cm long x 10 cm diameter) is used for bulk density determination. The collected core sample weighs 1380 g. After oven drying, it weighs 1130 g. What is the bulk density of this soil? What is the % pore space?

5. Why is the soil in Question #4 likely not a Histosol or and Andisol?

6. What happens to total pore space, macropore space, and micropore space as a soil is compacted?

7. What are some ways that good soil tilth can be maintained?

8. What factors influence soil strength?

9. What precautions or steps should be taken at a new home construction site to help ensure landscaping success?