Articles about nozzles and droplet size for specialty sprayers.
This article was co-written with Jennifer Llewellyn, OMAFRA Nursery Crop Specialist Many horticultural commodities, such as turfgrass and nursery crops, include the application of live nematodes as part of their annual IPM program. In 2013 we performed preliminary research into the claim that a grower’s nematode applications were becoming less effective. In the course of […]
Read More… from Circulating Spray Mix Through a Tank-Rinse Nozzle Maintains Nematode Concentration
In 2013 we ran a sprayer coverage demonstration in a ginseng garden in Norfolk County, Ontario. The goal was to encourage growers to reconsider their spray operation with an eye to coverage. We performed a down-and-dirty comparison between simple disc-core nozzles and the considerably more expensive Arag Microjets. Opinions were mixed, but we were confident the […]
All sprayers experience a drop in pressure as the solution moves further away from the pump. Here’s why that’s important, and how to measure it. Optimal nozzle operation in terms of spray quality and fan angle is closely tied to spray pressure. As we try to maximize travel speed range with a modern sprayer, we […]
Fungicide use appears to be the fastest growing segment of North American crop protection. Here is some advice on how to get the best bang for the buck. Timing is the most important part of fungicide application. Diseases can develop and spread quickly. Most fungicides cannot cure a disease infection, they can only protect against […]
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 […]