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.

Our most recent articles:

  • Pre Emerge Spraying with a Custom Applicator: Drive-Along Diaries #3

    Pre Emerge Spraying with a Custom Applicator: Drive-Along Diaries #3

    Clean Field Services It was May 16th, and I was standing at the front counter of Clean Field Services (CFS) in Drayton, Ontario, looking forward to an interesting day in the buddy seat. While I was waiting on the sprayer operator to check and fill the sprayer, I asked Todd Frey, Customer Service Rep, to…

  • 28% UAN in Winter Wheat: Drive-Along Diaries #2

    28% UAN in Winter Wheat: Drive-Along Diaries #2

    I’d been pestering Dan Petker to let me come along as he and his father Paul applied 28% UAN to the winter wheat on their family farm in Port Rowan, Ontario. Me: “Today?”Dan: “Nope – Wheat’s not at the right stage.”Me: “Today?”Dan: “Nope – Rain in the forecast.”Me: “Today?”Dan: “We’ll see if the ground can…

  • Working with an Arborist: Drive-Along Diaries #1

    Working with an Arborist: Drive-Along Diaries #1

    April 23rd, 3:45 am I was excited. Today would be my first in a series of drive-along experiences with Ontario sprayer operators. However, to get from my home in Southwestern Ontario to Newmarket, I would have to cross Toronto. This is not my favourite thing to do. But, Dean Solway, Plant Healthcare Supervisor with Shady…

Past articles you might like:

  • Direct Chemical Injection Systems – A Primer

    Direct Chemical Injection Systems – A Primer

    No sprayer operator is more preoccupied with work rates, sprayer cleanout and tank mixes than the custom (aka contract) applicator. Perhaps this is why we’re seeing more direct injection systems on their sprayers in recent years. Injection systems employ additional tanks and pumps to introduce undiluted product directly into the carrier just prior to the…

  • Establishing an optimal airblast carrier volume

    Establishing an optimal airblast carrier volume

    Thanks to Mark Ledebuhr of Application Insight LLC for his contributions to this article. North American product labels may or may not include carrier volume recommendations. When they do, it could be based on a two-dimensional value like the planted area, or perhaps on row length which is more appropriate for trellised crops that form…

  • Perspective on rates, volumes and coverage

    Perspective on rates, volumes and coverage

    This short article is a thought exercise designed to give some perspective on chemical rates, carrier volumes and the foliar area we expect them to protect. Imagine we are spraying the fungicide Captan on highbush blueberry. In Canada, the label rate is to apply 2kg/ha (28.5oz/ac) of planted area. Captan is 80% active ingredient, so…