Review+Questions+-+2

Review+Questions+-+2 - Soil Science 10 Fall 2010 REVIEW...

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Soil Science 10 Fall 2010 REVIEW QUESTIONS COVERING MIDTERM #2 1. What is capillary and noncapillary porosity? (T9) 2. Compare a sandy loam to a clay loam. Which has more capillary water? Which has more non- capillary water? (T9) 3. How are soil moisture content and matric potential related? (T9) 4. Define gravitational water, permanent wilting percentage, field capacity, and plant-available water. (T9) 5. Define Pw% and Pv%. How are Pv% and Pw% related? (T9) 6. Distinguish between saturated and unsaturated water flow, with respect to rate , occurrence , and driving force . (T9) 7. Why does a temporary water table (saturation) build up over a clay layer in a sandy soil? (T9) 8. Why does a perched water table (saturation) build up over a sand/gravel layer in a fine textured soil? (L9) 9. How is the energy required by plants to extract water related to pore size? (T9) 10. Why do plants wilt in soils that may have as much as 20% moisture? (T9) 11. What is a potential? (T9) 12. In the following diagrams which way will water flow? (T9)
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This note was uploaded on 01/27/2011 for the course SSO 10 taught by Professor Randydahlgren during the Fall '10 term at UC Davis.

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Review+Questions+-+2 - Soil Science 10 Fall 2010 REVIEW...

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