Exploding Sprayer Myths (ep.8): Volume

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Jason and Tom

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Key takeaways
  • Use four steps to determine spray volume for effective coverage; there is no single right answer.
  • Understand how the product works, including mode of action and formulation effects on coverage.
  • Know your target: pest, weed, or tissue to match dose and coverage needs.
  • Consider droplet behavior: size, drift potential, evaporation, and retention on the target.
  • Assess plant canopy structure and adjust volume and nozzle selection for penetration and uniform coverage.

This text was generated by OpenAI GPT 5 Mini

In this episode of Exploding Sprayer Myths, we lay out four steps to determining the most appropriate spray volume required to achieve good coverage.

  1. Understand how the product works
  2. Understand the target
  3. Understand droplet behaviour
  4. Understand the plant canopy

Joined by show-stealing Dr. Doug Baumann, and with the help of a lot of caffeine, we learn that there’s no silver bullet to choosing a spray volume.

Special thanks to Syngenta, Honeywood, and to Real Agriculture.

About the Author

Jason and Tom

With more than 45 years of experience in agricultural spraying, Tom Wolf and Jason Deveau have researched and presented internationally on many aspects of safe, effective and efficient applications.

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Reference
Tom, Jason and. (2017). Exploding Sprayer Myths (ep.8): Volume. Sprayers 101. https://sprayers101.com/esm8/ (Accessed on April 14, 2026 at 10:14)
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