Working together to strengthen and support noxious weed management efforts in Montana.

Learn About Calibration for Using Herbicides

Thursday, August 19th, 2010

One of the most important things that can be done when using herbicides is making sure you are spraying the right plant and you are using the right amount of herbicide.  Learning how to use the right amount of herbicide is called calibration.

There are many ways a person can learn about calibration.

  • Contact your local weed coordinator or extension agent.
  • Attend a Private Applicator’s Class in your area.
  • Use a combination of print and video materials available.

The following are some of the print materials available.  We have provided links or you may contact your extension agent.

MWCA helped to underwrite this short video that demonstrates calibration of equipment.  We have broken it down in to 6 steps.

Chapter 1 Importance of Calibration

Chapter 2 Equipment & Pre-Calibration Check

Chapter 3 Understanding Calibration

Chapter 4 Calibrating Backpack Sprayer and Handline

Chapter 5 Calibrating Using the Strip Method

Chapter 6 Adding Pesticide to Your Tank

MSU Extension also has a DVD available for purchase on their website. There is also information on the MSU Webpage on Calibration.


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