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

(A) Tank-rinse assembly mounted through tank lid with a flow-regulating valve. (B) Close up of tank-rinse nozzle.

This article was co-written with Jennifer Llewellyn, OMAFRA Nursery Crop Specialist Many horticultural commodities, such as turfgrass and nursery crops, include the application of live nematodes as part of their annual IPM program. In 2013 we performed preliminary research into the claim that a grower’s nematode applications were becoming less effective. In the course of […]

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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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Fungicide Application Basics

Fungicide use appears to be the fastest growing segment of North American crop protection.  Here is some advice on how to get the best bang for the buck. Timing is the most important part of fungicide application. Diseases can develop and spread quickly.  Most fungicides cannot cure a disease infection, they can only protect against […]

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How to Use a Nozzle Flow Chart, With a Surprising Twist

Calibration Chart (US Units)

Undoubtedly, the number one question we get from operators is: “Which nozzle should I get”? Luckily there’s no simple answer, or we wouldn’t have jobs! The reason it’s not simple is because selecting the “right” nozzle for a sprayer is a process. It can be broken down into two steps: It’s a big question, so […]

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Pulse Width Modulation

Case AIM Command

Note:  This article was written before significant changes occurred in the marketplace in 2016. While it still explains how the system works, a more current account can be found here. Pulse-Width-Modulation (PWM) refers to a method for controlling the flow rate of fluids.  How does it work?  Does it have a fit on your farm? […]

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