Welcome to Sprayers 101
Sprayers 101 is a non-profit resource describing best practices in safe, efficient and effective agricultural spraying. The site is based in Canada with content freely contributed by international authors. Browse our library of articles, videos, presentations, apps, calculators, tables and ePubs.
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Our most recent articles:
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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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Nozzle Choice in Vegetable Crops – an Australian Perspective
Editor’s Note: Any brand-specific references or recommendations in this article are based on the author’s experience. Sprayers101 endeavours to preserve brand independence and impartiality to best serve our readers. This article was originally posted in 2018. During my many years of work in the Australian vegetable and horticultural industry, I am continually asked: Q. What…
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Grandpa used pesticides on my property 50 years ago. Should I be concerned about contamination of my well?
Occasionally, I receive a question or concern about impacts from the previous use of pesticides on a property. These concerns could be categorized as historical or legacy concerns from the use of pesticides over 40 or 50 years ago. This article provides some context for these past concerns and some options for follow up for…
Past articles you might like:
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What’s the Cost of Poor Deposit Uniformity?
We’ve heard it often: calibrate your nozzles to be sure your boom output is uniform across its entire width. The downside of poor uniformity is obvious: strips of over- or under-application causing problems with pest control or crop tolerance. A graduated cylinder held for 30 s under each nozzle is the approach of choice. Several…
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Broadcast Boom Nozzle Spacing
North American built boom sprayers have nozzle spacings of 20” (50 cm in the rest of the world), but other spacings such as 15” (37 cm) and 10” (25 cm) also exist. What are the reasons for these alternative spacings and do they offer any inherent advantages? Why spacing matters Nozzles are spaced along a…
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The Ideal Sprayer (an open letter to sprayer manufacturers)
Today’s sprayer has to excel at a lot of things. It has to have capacity and low weight. It has to go fast but be comfortable. It needs wide booms that stay level over complex terrain. It has to deliver the right spray volume at the right spray quality for the job. It has to…