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.

Our most recent articles:
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…
Why are my airblast nozzles plugging?
This article was inspired by the following email: “I’m an organic apple grower with constant nozzle-clogging problems. These problems occur when we use wettable powders such as micronized sulfur and Surround WP. We always premix before adding to the tank through its strainer. Our airblast sprayers have towers and employ mechanical agitation. The nozzle/filter combo…
Canada Gazette Part II – Recent and upcoming changes to Canadian rules for operating Remote Piloted Aerial Systems
Summary The Government of Canada introduced the first set of Remote Piloted Aerial Systems (RPAS) rules in 2019, which addressed safety concerns and created a flexible and predictable environment for small RPAS flown within visual line-of-sight (VLOS). On March 6, 2025, amendments were made to the Canadian Aviation Regulations (RPAS – Beyond Visual Line-of-Sight and…
Past articles you might like:
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…
Stan and Blade’s Drone Emporium
In this parody of SCTV’s Tex and Edna Boil we have some tongue-in-cheek fun while reminding people to maintain a healthy skepticism when reading RPAS marketing materials. Always be sure to ask questions and see the data before you believe what might be too good to be true. Special thanks to Jason Strove for his…
Exploding Sprayer Myths (Ep.14): Maverick’s Mojo
Have you lost that loving feeling? Well here’s your chance to get it back while learning how to operate spray drones safely, effectively, and legally. Join Maverick and Goose as Viper barks out best practices when using this new application technology. Remember: You’re not just a pilot – you’re an applicator! Thanks to RealAgriculture, the…