Welcome to Sprayers 101

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.

Use the search bar to find articles by key word.

Our most recent articles:

  • Sprayer Cleanout and Cleaner Selection

    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…

  • The Real Story behind pH and Water Hardness

    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…

  • Drone Spraying in Canadian Agriculture (up to 2024)

    Drone Spraying in Canadian Agriculture (up to 2024)

    Please Note 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). This article was written to reflect those rules. On March 6, 2025, amendments were made to the…

Past articles you might like:

  • Adjusting Orchard Airblast Sprayers for Spring

    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…

  • Nozzle Selection for See & Spray Select Spot Sprayers

    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…

  • Increase Sprayer Productivity Without Driving Faster

    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,…