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.

Celebrating 10 years of Sprayers101

Our most recent articles:

  • Exploring the accuracy of drone-applied herbicide treatments

    Exploring the accuracy of drone-applied herbicide treatments

    In 2024, Corteva conducted a study entitled “Drone-Delivered Herbicides: Comparing Lontrel XC (Clopyralid) Efficacy Across Application Techniques and Water Volumes”. Their objective was to compare the relative efficacy of hand booms and drones, and to determine if drone efficacy was affected by low water rates. The researchers evaluated the area treated and the effective swath…

  • Comparing Fluorescent Dyes for Spray Coverage Evaluation

    Comparing Fluorescent Dyes for Spray Coverage Evaluation

    I work in agricultural extension and I’m always on the lookout for new methods to help me achieve my goals. A big part of my job is to research and teach efficient, effective and safe crop protection practices, so it follows that I have to be able to evaluate the quality of a spray application.…

  • DJI Agras T100 – First Impressions

    DJI Agras T100 – First Impressions

    On July 15, 2025, DJI Agriculture announced the global launch of the DJI Agras T100. Compared to its predecessor, the T50, it features a larger payload for spraying and spreading and can fly at approximately twice the speed. The rotary atomizer-style nozzles (which DJI refers to as sprinklers) produce comparatively increased flow with an option…

Past articles you might like:

  • 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…

  • Exploding Sprayer Myths (Ep.14): Maverick’s Mojo

    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…

  • The Art and Beauty of Spraying

    The Art and Beauty of Spraying

    This is an indulgent article. Over the years I’ve amassed thousands of sprayer-related photos. I find some to be compelling and even beautiful. It might be a face, or a composition, or the colours, or maybe evocative subject matter. What follows is a gallery of such photos. We do not condone or recommend any brand…