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 […]

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Nozzle Choice in Vegetable Crops – an Australian Perspective

Editor’s Note: Any brand-specific references or recommendations in this article are based on the author’s experience. Sprayers101 endeavours to preserve brand independence and impartiality to best serve our readers. During my many years of work in the Australian vegetable and horticultural industry, I am continually asked: Q. What is the best spray unit to use? […]

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How to Assess Spray Coverage in Vegetable Crops

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”. […]

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Drop Arms can Improve Coverage on Field Peppers

Spraying with drop-arms in mid-August.

In early July 2016, a farm supplier contacted us on behalf of a client with a history of disease control issues in his field pepper operation. He wanted us to calibrate their sprayer and diagnose spray coverage to see if there was room for improvement. Coverage doesn’t equal efficacy, but it’s generally a reliable indicator. When […]

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