7 Tips for Purchasing a New Sprayer – Tips with Tom #1

Tips with Tom - Title

What’s the only surefire way to know whether or not the sprayer is applying product at the rate you’ve specified? Can you let the cab monitor set it and forget it? After the Question of the Day, Tom moves on to the very important decision of choosing a new sprayer. What’s your goal? Getting more […]

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Spray Coverage in Potato

The location of water-sensitive papers in the potato plant canopy. Two plants were papered for each nozzle.

In June, 2014, 30 growers attended a spray coverage demonstration in a potato field in Alliston, Ontario. Our goal was to explore three questions: What is the effect of droplet size on coverage? What is the effect of volume on coverage? What is the effect of spray angle on coverage? This certainly wasn’t a scientific experiment. […]

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50 Ways to Get Good Coverage

Positions for water-sensitive papers.

50 Ways To Get Good Coverage Sung to the tune of “50 Ways to Leave Your Lover” by Paul Simon. The problem is all inside your barley canopy The answer’s easy if you find it empirically I’d like to help in your quest for efficacy There must be fifty ways to get good coverage She said it’s […]

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The Perfect Sprayer Boom for Ginseng?

The improved drop arm

In 2013 we ran a sprayer coverage demonstration in a ginseng garden in Norfolk County, Ontario. The goal was to encourage growers to reconsider their spray operation with an eye to coverage. We performed a down-and-dirty comparison between simple disc-core nozzles and the considerably more expensive Arag Microjets. Opinions were mixed, but we were confident the […]

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Measuring Pressure Drop

All sprayers experience a drop in pressure as the solution moves further away from the pump.  Here’s why that’s important, and how to measure it. Optimal nozzle operation in terms of spray quality and fan angle is closely tied to spray pressure.  As we try to maximize travel speed range with a modern sprayer, we […]

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