Wondering which (if any) dual fan nozzle to buy? Symmetrical? Alternating floods? Asymmetrical? Well, first, understand they are intended for vertical targets, like wheat heads.Here’s a diagram of how they are (ideally) supposed to work: Here’s our very own @Nozzle_Guy, Dr. Tom Wolf to tell you all about them. Now understand they don’t seem improve […]
Category: Coverage
Articles related to horizontal boom sprayer coverage
Sprayer Turn Compensation
Turn compensation is a feature in pulse width modulation (PWM) sprayers in which nozzle output matches the boom’s speed during a turn. When turning, the inside and outside of a boom travel at different speeds, resulting in over-dosing on the inside and under-dosing on the outside. Read about PWM systems here, here, and here. The […]
Spray Coverage in Carrot, Onion and Potato
This research was performed with Dennis Van Dyk (@Dennis_VanDyk), vegetable specialist with the Ontario Ministry of Agriculture, Food and Rural Affairs. Prior to 2017, Syngenta introduced the UK to the Defy 3D nozzle, which is a 100° flat fan, designed to run alternating 38° forward or backward along the boom. They prescribed a boom height […]
Question of the Week: Fine Sprays for Fungicides?
The following question arrived from one of our prairie clients last week: “A retailer is promoting the use of hollow cone nozzles to be used on field sprayers (20” spacing) to apply fungicides which he claims out-perform any regular and twin fan tips. Claims: create an extra fine droplet for maximum coverage on the canopy […]
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Exploding Sprayer Myths (ep.8): Volume
In this episode of Exploding Sprayer Myths, we lay out four steps to determining the most appropriate spray volume required to achieve good coverage. Joined by show-stealing Dr. Doug Baumann, and with the help of a lot of caffeine, we learn that there’s no silver bullet to choosing a spray volume. Special thanks to Syngenta, […]