How to calculate herbicide rates and calibrate herbicide applicators

Uniformly applying chemicals at proper rates is essential for effective pest control. A slight variation in the application rate with some chemicals may result in poor control of the pest or injury to the crop or environment, causing lost time, effort and money.

How to calculate

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Calibration

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Conversion factors

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John A. True, emeritus Extension engineer

Acknowledgements

Reviewed by Jonathan Chaplin, agricultural engineer, College of Science and Engineering and the College of Food, Agricultural and Natural Resource Sciences

Reviewed in 2018

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