The Real Story behind pH and Water Hardness

Editor’s Note: Changes and updates have been made to this article since its original publication in 2019. Introduction The quality of water being used in the spray tank to act as the carrier for your pesticides can have significant effects on how well those pesticides will work. So it may be surprising that very few […]

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Drone Spraying in Canadian Agriculture (up to 2024)

Note There have been updates to Canadian regulations governing drones since this article was written. For updates, please refer to this article. Introduction In Canada, the use of drones for pesticide application, otherwise known as RPAS, is regulated by two Federal Departments: Transport Canada establishes regulations for safe operation and Health Canada for the registration […]

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Adjusting Orchard Airblast Sprayers for Spring

For those on the fly, hit play to hear a shortened, narrated version. I have far too many photos and videos of airblast sprayers blowing straight up through treetops, or downwind through the last row, during spring applications. I chose not to include any in this article to avoid people recognizing the operations. If you […]

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Airblast Spring Start-up and Winterizing

Any description of airblast sprayer start-up must, contextually, make assumptions on how it was winterized for long-term storage. This cyclic relationship is why I use a chicken-and-egg title slide when giving this presentation. The inability to describe one process without the other is further complicated by the possibility that the sprayer is brand new and was […]

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A strange case of herbicide injury in Grape

The context In the summer of 2024, six Ontario vineyards participated in an authorized herbicide trial. The objective was to assess efficacy as well as determine if the product fit the timing for seasonal weed and sucker management. If successful, it could replace the expensive and time-consuming manual labour required to remove suckers. Each vineyard […]

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