General Operation Articles

Mode of Action and Spray Quality

Tom Wolf (Nozzle_Guy) May 22, 2020
The decision on application method for herbicides boils down to two main factors: (a) target type and (b) mode of action. In general, broadleaf plants are easier to target and wet due to their comparatively large target (leaf) size and their high wettability. There ...Read More

Airblast Spring Start-up and Winterizing

Jason Deveau (Spray_Guy) March 18, 2020
Any description of airblast sprayer start-up must, contextually, make assumptions on how it was winterized for long-term storage. This cyclic relationship is why I use a chicken-and-egg title slide when giving this presentation. The inability to describe one process without the other is further complicated ...Read More
Figure 3

Sprayer Math for Banded Applications

Jason Deveau (Spray_Guy) February 1, 2020
Where crops are planted in rows, growers can save on chemical costs and reduce potentially wasted spray by performing banded applications. A banded application is treating parallel bands (Figure 1), unlike a broadcast application where the entire area is treated (Figure 2). This means ...Read More
Stock calculator image.

Sprayer math

Jason Deveau (Spray_Guy) February 1, 2020
Sprayer math can be intimidating, but the effort gives solid value. When combined with a calibrated sprayer you reap the following benefits: Estimate how long a job will take. Estimate how much spray mix is required. Estimate how much crop protection product must be ...Read More