Author: Jason Deveau (Spray Guy)

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About Jason Deveau (Spray Guy)
Dr. Jason Deveau has been the OMAFA Application Technology Specialist since 2008. He researches and teaches methods to improve the safe, effective and efficient application of agricultural sprays in specialty crops, field crops and controlled environments. He is the co-administrator of Sprayers101, co-author of the Airblast101 Textbook, a slow cyclist and an even slower runner.

Posts by Jason Deveau (Spray Guy)

Circulating Spray Mix Through a Tank-Rinse Nozzle Maintains Nematode Concentration

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This article was co-written with Jennifer Llewellyn, former OMAFA Nursery Crop Specialist With more and more bio-rational products on the market, crop protection methods may require reassessment. Certain products require exacting water quality, cannot tolerate residues, and have half-lives that are both time- and temperature-critical. We’ve been getting questions about sprayer compatibility with some of […]

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Strainers (aka Filters)

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The level of filtration required for any given spray operation depends on the materials sprayed and the nuisance factor: That is, the balance between lost productivity from plugged nozzles and the effort required to address them during rinsing. There are opportunities to install strainers at the tank opening (usually a basket), the suction-side of the […]

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Why are my airblast nozzles plugging?

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This article was inspired by the following email: “I’m an organic apple grower with constant nozzle-clogging problems. These problems occur when we use wettable powders such as micronized sulfur and Surround WP. We always premix before adding to the tank through its strainer. Our airblast sprayers have towers and employ mechanical agitation. The nozzle/filter combo […]

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Characterizing RPAS coverage at four cardinal points on a vertical plane: Practical implications for spraying wheat at T3

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Context Global research into Remotely Piloted Aerial Systems (RPAS) is producing pesticide residue, drift and efficacy data that is helping to inform federal regulatory policy. It is reasonable to assume that Canada will ultimately sanction the use of RPAS for agricultural spraying. The first registered products will likely be fungicides intended for broad acre crops […]

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Celebrating 10 Years of Sprayers101

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On May 29, 2015, we launched www.sprayers101.com. Actually, that date is practically correct, but not technically correct. To celebrate our anniversary, I thought I’d share the history of how of we got to where we are today. 2013 On December 21, 2013, I launched www.sprayers101.com… sort of. Back then, the website was different. I’d just […]

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