Articles written by Nozzle_Guy

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

Spray application by drone is here. It’s common practice in South East Asia, with a very significant proportion of ag areas now treated that way. Estimates from South Korea, for example, suggest about 30% of their ag area being sprayed by drone. It’s in ...Read More

This week I spoke with Gerry Bell, a producer from near Gravelbourg in southern Saskatchewan (a beautiful town with a historic downtown, church and school, also, home of the Gravelbourger at the local diner). He told me about a project he recently completed, converting ...Read More