When a grower asks two specialists the same question, they can receive skewed (or even contradictory) answers. In this case, however, we were all on the same wave length. The following exchange took place between an Ontario grower with a nozzle/weed question and Jason Deveau (nozzles) and Mike Cowbrough (weeds). Grower: Can you please help […]
There’s a call that I’ve been getting for 20 years now. It came again this week. 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 they want to know how much wind they can spray in. Is […]
Us this handy visual guide to identify a mystery nozzle you may find on a field sprayer. We’ve included the most common low-drift nozzles found on North American, European, and Australian sprayers. The list does not contain any conventional flat fan nozzles. It’s in alphabetical order by manufacturer. First, a reminder of the ISO colour […]
This article was co-developed with Mark Ledebuhr of Application Insight, LLC. Air handling systems Air handling systems can be specialists or generalists; some are designed to do one thing very well while others are more adaptable but not as precise. Fan type plays a big role in determining a sprayer’s abilities. Their native characteristics make […]
The calibration of handheld plot sprayers is an important part of agricultural research, and this article already covers all the bases… as long as you are spraying broadacre or row crops. But what happens when you are trying to emulate an airblast sprayer and treating a tree, bush, cane or vine? The key difference is […]