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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Airblast Spraying in Poor Conditions
Some springs are tougher than others. This article was originally written in 2019, which was particularly challenging. The frequency and duration of rain events left limited opportunity for orchard sprays. Even then, the periods between rains were transitions between warm and moist conditions and cold fronts, which makes wind gusty and changeable. These same periods…
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Optimizing a Greenhouse Vegetable Sprayer
Introduction In April 2025 we visited Cedarline Greenhouses to assess their spraying methods. Our hosts invited us to examine their practices and then graciously agreed to let us share the process (and the results) so others could learn from the experience. Every greenhouse is different, but with a little imagination the process we used should…
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Sprayer Cleanout and Cleaner Selection
Editor’s Note: Changes have been made to this article since its original publication in 2015. Introduction When in-crop spraying is around the corner, sprayer tank clean out is an important topic to address on your farm. Many farms have done the same clean-out routine for years and not had any issues with contaminating residues in…
Past articles you might like:
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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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Nozzle Selection for See & Spray Select Spot Sprayers
Spot sprays are becoming mainstream. As of 2024, John Deere’s See & Spray Select, their Green-on-Brown technology, is selling well in western Canada but it’s creating some confusion about how to outfit and run the system. Quick Overview: See & Spray Select is available on 120’ booms with either 15” or 20” spacing. It can…
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Increase Sprayer Productivity Without Driving Faster
Timing trumps most things in crop protection. A great spray applied at the wrong time isn’t nearly as valuable as a mediocre spray at the right time. So how do we improve our ability to get things done at the right time? Often, we try to win races by driving faster. In our last article,…
