Tom Wolf (Nozzle_Guy) | Sprayers 101

We Need Better Drift Control Technologies

Tom Wolf (Nozzle_Guy) July 30, 2020

Sprayer manufacturers have all but offloaded the entire responsibility for drift management to the sprayer nozzle. It’s asking too much. Sprayers have changed a lot over the past 25 years. They have become larger, with more tank capacity, boom width, and, if self-propelled, horsepower. ...Read More

What’s the Relationship Between Vapour Drift and Inversions?

Tom Wolf (Nozzle_Guy) July 14, 2020

Drift symptoms can take a few weeks to be discovered, and to figure out the cause, people need to reconstruct the conditions during the application in question. Wind direction is the easiest. But when we consider factors like inversions, volatility, calm conditions, and others ...Read More

Comparison of Ground and Aerial Application of Fungicide for Control of Ascochyta Blight in Chickpeas

Tom Wolf (Nozzle_Guy) July 10, 2020

This article was originally published in the Proceedings of the Soils and Crops Workshop, 2005. Authors Tom Wolf (AAFC), Brian Caldwell (AAFC), Cheryl Cho (CDC), Sabine Banniza (CDC), Yantai Gan (AAFC) Background: Fungicide application is an important disease management strategy for ascochyta blight (caused ...Read More

Don’t try this tempting shortcut

Tom Wolf (Nozzle_Guy) June 12, 2020

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 ...Read More

What Nozzle is This? (Field Sprayers)

Tom Wolf (Nozzle_Guy) June 8, 2020

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 ...Read More

Articles written by Tom Wolf (Nozzle_Guy)