Pest Management & Crop Protection
Inversion Layer Detection Guide
Use this inversion layer detection guide to learn the signs of a temperature inversion, when spray droplets can hang in the air, and to record checks before each application.
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GuidePest Management & Crop ProtectionFree PDF
The steps on this page
- Understand what an inversion is
- Know when inversions form
- Check calm wind and clear sky
- Watch for smoke or dust that hangs
- Use a thermometer at two heights if advised
- Check the forecast for the morning
- Delay spraying if conditions point to inversion
- Record the conditions and decision
How to use this guide
Read the steps once through before you start, then keep the page nearby while you work. Use the notes lines to add what your own setup needs.
Where to check the details
This sheet is a general template, so confirm specifics with your own manuals, labels and local rules. For current official guidance, start with NOAA and eXtension.
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