chapter 20

Card Set Information

Author:
tmp1978
ID:
128762
Filename:
chapter 20
Updated:
2012-01-18 17:12:40
Tags:
pesticides
Folders:

Description:
weather-wise application
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  1. can weather conditions actually aid in reducing pesticide pollution?
    yes. wind can aid in reducing pollution caused by an inversion.
  2. can weather-wise application aid the applicator economically?
    yes. drift wastes pesticides n money.
  3. why should a applicator avoid applying pesticides on windy days?
    wind cause pesticide particles to drift off target.
  4. why r drifting pesticides more hazardous?
    drifting pesticides r out of the applicators control, therefor they r able to land n damage non-target organisms at random.
  5. does windy day application pose increased hazard for the applicator n the bystander?
    yes.
  6. if a pesticide drifts onto a non-target areas resulting in injury or economic loss, who is legally responsible?
    the applicator.
  7. why must spray applications dry onto a surface before a rain ?
    rains cause pesticides to run off target.
  8. what harm can pesticide runoff do?
    can cause injury to crops, wildlife, or contaminate surface waters.
  9. what r two advantages of early morning or evening applications?
    • wind speed is lowest.
    • childern n animals r not likely to be present.
  10. what weather factors affect drift?
    wind, high temperatures, n humidity.
  11. when does an inversion occur?
    inversions occur when the air near the soil surface is cooler than the air above it.

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