The decision on which application method is best for herbicides boils down to two main factors: (a) target type and (b) mode of action. In general, it’s easier for sprays to stick to broadleaf plants on account of their comparatively larger leaf size and better wettability compared to grassy plants. There are exceptions, of course […]
Category: Coverage
Articles related to horizontal boom sprayer coverage
How to Spray Ginseng
This article was co-written with Dr. Sean Westerveld, Ontario Ginseng and Herb Specialist. Introduction An effective ginseng protection program begins with observing the Integrated Pest Management (IPM) process: When spraying is warranted, the operator should understand the basics of application technology. This not only includes the equipment, but the effects of changing spraying parameters (such […]
Pro Tips for Pre-Harvest and Desiccation Sprays
A version of this article was originally written by @nozzle_guy as a guest blog for Farm At Hand, and is reproduced with permission. One of the smartest decisions a grower could make is to consider a late-season harvest-aid application. Particularly in years with thinner stands, weeds can maintain a foothold. Late season moisture can give […]
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Spray coverage in field tomato
Spraying field tomato is difficult – period. In Ontario, early variety tomato canopies get very dense in July. The inner canopy is relatively still, humid, cool and a perfect environment for diseases such as late blight. It is challenging to deliver fungicides to the inner canopy and this can lead to inadequate disease control. Matters are slightly improved as the […]
Angled Spray Nozzles in Wheat
When T3 wheat rears its head, the first rainy day brings questions about spray angles. Let’s begin with a graphic that illustrates how angled sprays cover a vertical target like a wheat head. Assuming moderate wind and sufficiently large droplets, this is a simplified depiction of what we would expect to see. But is this […]