Monthly Archive:: May 2019

For many airblast operators, the spring of 2019 has been very difficult. The frequency and duration of rain events has left limited opportunity for orchard sprays. Even then, the periods between rains are transitions between warm and moist conditions and cold fronts, which makes ...Read More

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

The John Deere ExactApply system has a pulsing feature, more commonly known as “Pulse Width Modulation” (PWM). From the operator’s perspective, it’s important to know the Duty Cycle that the system is operating at. The Duty Cycle (DC) is the percentage of time that ...Read More