Coverage Articles

Evaluating Electrostatic Spraying in Carrot

This research was performed with Dennis Van Dyk, OMAFRA Vegetable Crop Specialist. In 2018, MS Gregson introduced a line of electrostatic sprayers (the Ecostatik) in Canada. While electrostatic technology has been used in agriculture since the 1980’s, this is the first time ground rigs have been ...Read More

Electrostatic Spraying in Agriculture

Dear reader: This article is intended to provide basic information on how electrostatic sprayers work in an agricultural setting. The author does not sell or manufacture sprayers. If your interest is related to spraying disinfectant in private or commercial settings, please contact retailers or ...Read More

Diagnosing Airblast Coverage

Assuming there are no mechanical or maintenance problems, water-sensitive paper can be used to diagnose sprayer performance. Go here to read more about water-sensitive paper. Interpreting the results and knowing what changes to make is the critical part of the process. Observing no coverage, or a sodden paper, ...Read More

Air Assist Improves Coverage in Corn

Why aren’t there more air-assist boom sprayers in Canada? I can understand why field croppers might hesitate to pay for the feature because it’s only been in recent years that fungicide applications have become a regular part of their annual spray program. But, high-value ...Read More

Don’t try this tempting shortcut

There’s a call that I’ve been getting weekly for 20 years now. It came again this morning. Someone has a twincap with two small air-induced tips, and they’re applying herbicides and fungicides with low water volumes, often 5 gpa, sometimes less. They call because ...Read More