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:
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
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…
Ecorobotix’s ARA Sprayer: A targeted sprayer that’s finding its place in Ontario vegetable fields
Targeted spraying is a technology that enables the site-specific application of plant protection products and liquid fertilizers based on sensor readings. Some of the latest machines incorporate computer vision and processing capabilities that can distinguish between different types of weeds and crops based on multiple adjustable criteria. The Swiss-made ARA Sprayer by Ecorobotix, has recently…
Past articles you might like:
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
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
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…