Soil and Water Questions
After reading pages 1-5 of Home Gardener's Guide to Soils and Fertilizers - EB1971 answer these questions:
- What is soil?
- What does soil provide?
- Compare and contrast soil permeability and soil water-holding capability.
- Describe macropores structure and function.
- Describe micropores structure and function.
- How does a predominance of micropore space affect the soil's ability to warm in the spring?
- Explain what is meant by a droughty soil.
- If a clay particle was the size of a penny, a sand particle would be____________.
- How does the shape of sand and silt contrast with clay?
- Why is soil surface area important?
- It is important to remove rocks and gravel from soil? True / False
- Using the words high, moderate and low, complete this table:
Soil permeability water-holding surface area Loam Sandy loam Silt loam Clay loam
- What are peds (aggregates)?
- How are peds formed?
- Discuss or sketch the relationship among peds, macropores and micropores.
- What is soil compaction?
- What does compaction do to pore space?
- What are some causes of compaction?
- Sing the praises of organic matter. Or write down the praises of organic matter.
- Sketch and label a side view diagram showing the conditions described in the first two paragraphs of the 'Slope, Aspect, Depth and Water' section on page 4.
- Western Washington has a Mediterranean climate , which means summer irrigation for some plants. How does soil texture affect irrigation?
- What is "runoff"? Why is it bad? How do you prevent it?
- Tie together our wet spring, soil structure and soil management.