Thermal Inversions for Sprayer Operators

In April 2014, NDSU extension published an excellent factsheet explaining what thermal inversions are, how to detect them and
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)
How to use Airblast Nozzle Tables

Airblast operators should know how to read a nozzle table. They are found on dealer and manufacturer websites as
Tank mix compatibility

This article was co-written with Mike Cowbrough, OMAFRA Weed Management Specialist – Field Crops In Canada, users of commercial

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.

Enter a keyword in the search bar
Explore topics under the drop-down menus
Vote on content using our star system
Subscribe to receive an email when new information is posted

Recent Articles

Thermal Inversions for Sprayer Operators

Jason Deveau (Spray_Guy) Boom Sprayers, Drift, Drift, Environmental Impacts, Featured Article, Speciality Sprayers

In April 2014, NDSU extension published an excellent factsheet explaining what thermal inversions are, how to detect them and how they affect pesticide spray drift. That factsheet inspired this article. The Atmosphere The Earth is surrounded by a layer of air called the atmosphere. ...Read More

Airblast Spring Start-up and Winterizing

Jason Deveau (Spray_Guy) Cleaning & Maintenance, General Operation, Sanitation and Maintenance, Speciality Sprayers, Spray Basics

Any description of airblast sprayer start-up must, contextually, make assumptions on how it was winterized for long-term storage. This cyclic relationship is why I use a chicken-and-egg title slide when giving this presentation. The inability to describe one process without the other is further complicated ...Read More

Direct Chemical Injection Systems – A Primer

Jason Deveau (Spray_Guy) Boom Sprayers, Featured Article, Mixing

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 ...Read More

How to use Airblast Nozzle Tables

Jason Deveau (Spray_Guy) Featured Article, Lookup Tables, Nozzles & Droplets, Nozzles and Droplets, Rates and Calibration, Speciality Sprayers, Tables & Apps

Airblast operators should know how to read a nozzle table. They are found on dealer and manufacturer websites as well as in their catalogs. Table layout varies with brand, but they all relate a nozzle’s flow rate to operating pressure. The better tables also ...Read More