Spray Quality and Volume Matrix

We often write about how valuable water sensitive paper can be to visualize and assess the coverage we’re getting from a specific application method.  A handy reference is this matrix that combines both factors.  Print it and use it in the field to compare what your application method is doing to these relative standards.  On average, […]

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Rate Controllers and Spray Pressure

Monitors

Automatic rate controllers are standard equipment on almost all new sprayers. They ensure consistent application volumes, but they don’t do all the thinking for you.  We explore how to make them work properly. A rate controller needs to know the boom width (entered by the user), the total spray liquid flow rate (from a flow […]

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Selecting the Right Water Volume

JD 4940

Low water volumes can mean less effort to apply pesticides. But there is a limit to how low water volumes can go before problems appear. To understand the reasons why, and help applicators use the right volume for a given situation, we briefly outline what happens to a spray cloud as it reaches the crop canopy. Basic Principles […]

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Four Rules of Nozzle Selection

Changing nozzle

Nozzle choice can be overwhelming due to the large selection available from many suppliers. ┬áBut nozzles are the most important part of the sprayer, being responsible for metering the liquid, atomizing it into droplets, and distributing it across the boom. Review this list for what’s available, then follow these general recommendations. 1. Choose a Coarse […]

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