Rates and Calibration Articles

The calibration of handheld plot sprayers is an important part of agricultural research, and this article already covers all the bases… as long as you are spraying broadacre or row crops. But what happens when you are trying to emulate an airblast sprayer and ...Read More

It’s the rite of passage of many agricultural summer students across the world: applying experimental treatments to field plots using a research sprayer. (Mine happened in 1984 with the expert instruction of Alvin Iverson at the University of Manitoba.) The results of these experiments ...Read More

Use this spreadsheet to calculate the minimum boom heights needed for various applications. Some caution: The values are theoretical and assume the fan angles are accurate. Some nozzles don’t produce the advertised fan angle. Enter your actual angle in the spreadsheet The theory assumes ...Read More

Assuming there are no mechanical or maintenance problems, water-sensitive paper can be used to diagnose sprayer performance. Go here to read more about water-sensitive paper. Interpreting the results and knowing what changes to make is the critical part of the process. Observing no coverage, or a sodden paper, ...Read More