DEQ (Section 3)

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  1. The best way to prevent erosion is to remove
    the minimum amount of ______ and re-establish it as soon as possible.
    Vegetation
  2. A critical area is ______ to stabilize with vegetation.  Whenever possible, critical areas should not be ______.
    • Difficult
    • disturbed
  3. A non-critical area is an area on which vegetation can be established without ______.
    Difficulty
  4. Sensitive areas are those areas next to ______, ______, ______, ______ ______, or other landscape features that are vulnerable to damage by sediment.
    • Lakes
    • streams
    • wetlands
    • adjacent properties
  5. Permanent vegetative stabilization is required when it is necessary to stabilize an area for more than ______.
    One year
  6. Legumes furnish ______ to the soil, an important plant nutrient.
    Nitrogen
  7. When assessing a site prior to selecting plant materials, consideration should be given to:
    • climate
    • soil
    • slopes
    • site use and maintenance
  8. Consideration should be given to on-site soil conditions such as:
    • Fertility
    • acidity
    • soil moisture content
  9. A 50 pound bag of 20-10-5 contains ______ pounds of phosphorus.
    Five
  10. Topsoil should be ______ at the beginning of grading operations for later use.
    Saved
  11. When slopes are steeper than ______:______ (horizontal/vertical), structures may be more effective to control erosion than vegetation.
    2:1
  12. It is necessary to add ______ to lower acidity (increase the pH).
    Lime
  13. Soil pH should be no lower than ______ for most grasses and no lower than ______ for legumes.
    • 5.5
    • 6.5
  14. The amount of lime and/or fertilizer required for good vegetative growth can be determined through ______ ______.
    Soil testing
  15. Three factors that contribute to soil slippage are:
    a.) high ______ ______
    b.) slope ______
    c.) poor ______
    • Moisture content
    • steepness
    • bonding
  16. Droughty soil can be corrected by:
    a.) selecting ______ resistant plants
    b.) ______ silt and clay soil or ______ matter with the droughty soil
    • Drought
    • Mix, organic
  17. The problem of wet soil can be handled by:
    a.) selecting plants ______ to wet conditions
    b.) installing artificial ______ or subsurface ______
    • tolerant
    • surface, drainage
  18. Four methods for establishing vegetation are:
    a.) ______
    b.) ______
    c.) ______
    d.) ______
    • Seeding
    • sprigging
    • sodding
    • planting a shrub or tree, live staking or fascines, mulching without seeding
  19. Sprigging involves planting ______ plants in the treated area.
    Sprouted
  20. Sod must be closely ______ together and ______ in place on steep slopes or in areas of concentrated flow.
    • Butted
    • staked
  21. Immediately following seeding, a mulch of ______ ______ should be applied at ______ tons/acre.
    • Clean straw
    • two
  22. ______ insulates the soil from intense heat and cold, and conserves ______.
    • Mulch
    • moisture
  23. On steep slopes or areas of concentrated flow, ______ or ______ may be required to properly secure the seeding.
    • Mulch blankets¬†
    • turf reinforcement mats
  24. The two types of maintenance required for vegetation stabilization are:
    ______ and ______
    • Follow-up
    • periodic
  25. Areas planted in the fall should be inspected in the ______.
    Spring
Author
ID
320601
Card Set
DEQ (Section 3)
Description
DEQ Study Guide
Updated
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