October 2016 – Sprayers 101

Evaluating an Anti-Drift Adjuvant in an Airblast Sprayer

Posted on October 27, 2016 (August 19, 2021) by Jason Deveau (Spray_Guy)

Most pesticides are either pre-formulated with the required adjuvants, or the label specifies their addition. However, compelling claims by manufacturers create interest in tank mixing additional adjuvants to improve some aspect of pesticide performance. In a previous article we advised caution when using adjuvants in airblast sprayers (see here). Specifically, we stated that unless an adjuvant has been tested with airblast equipment, […]

How to Assess Spray Coverage in Vegetable Crops

Posted on October 5, 2016 (August 19, 2021) by Jason Deveau (Spray_Guy)

Sprayer operators recognize the importance of matching their sprayer settings to the crop to optimize efficacy. For example, spraying a protective fungicide in field tomato should require a different approach from spraying a locally systemic insecticide in staked peppers. Knowing this, many operators make ad hoc changes and then wait to “see if it worked”. […]

Continuous Rinsing should be considered in North America

Posted on October 2, 2016 (June 6, 2022) by Jason Deveau (Spray_Guy)

Overview This article expands on an earlier article: here. Before we dive into the details, let’s start with a quick video summary filmed by Real Agriculture at Canada’s Outdoor Farm Show in September, 2016. When the pressure drops and the nozzles begin to sputter, the sprayer is considered empty. However, it can still retain a lot […]