Mode of Action and Spray Quality

The decision on which application method is best for herbicides boils down to two main factors: (a) target type and (b) mode of action. In general, it’s easier for sprays to stick to broadleaf plants on account of their comparatively larger leaf size and better wettability compared to grassy plants. There are exceptions, of course […]

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Drone Sprayers – Are we Ready?

One of the fastest moving new agricultural technologies is spray drones. Hardly a month goes by without some sort of new capability, some new features. It’s truly an exciting space to watch. As with all things, there are good news and bad news to share. First the good news. Drone capacity is on the rise. […]

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Sensor-controlled sprayers for specialty crop production

Many of the application technologies used in specialty crop production today are based on axial fan airblast sprayers (Figure 1). Airblast sprayers were first developed in the 1950s when orchard trees were 6 meters tall or more; today 2-4 meter tall trees are typical. Airblast sprayers are versatile, reliable, and can be modified to fit […]

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Evaluating methods for controlling algae in carrier water storage tanks

This work was performed with Mike Cowbrough, OMAFRA Field Crop Weed Specialist. In the early summer months, many field and specialty crop operations collect rainwater (or possibly pump water from holding ponds) into storage tanks for use as a carrier in spray applications. These tanks may be stationary, or they may be part of a […]

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How to Spray Ginseng

Timed output test. Prepare to get very wet. Sprayer must be clean and PPE is a must.

This article was co-written with Dr. Sean Westerveld, Ontario Ginseng and Herb Specialist. Introduction An effective ginseng protection program begins with observing the Integrated Pest Management (IPM) process: When spraying is warranted, the operator should understand the basics of application technology. This not only includes the equipment, but the effects of changing spraying parameters (such […]

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