Evaluating methods for controlling algae in carrier water storage tanks

This work was performed with Mike Cowbrough, OMAFRA Field Crop Weed Specialist. In the early summer months, many field and specialty crop operations collect rainwater (or possibly pump water from holding ponds) into storage tanks for use as a carrier in spray applications. These tanks may be stationary, or they may be part of a […]

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How to Spray Ginseng

Timed output test. Prepare to get very wet. Sprayer must be clean and PPE is a must.

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 […]

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Clean Your Nozzles

When operators winterize their sprayers, they should remove all the tips and store them separately. Many store them in large pails with lids. Calibrating the sprayer just prior to winterizing will indicate if the nozzles should be stored, or replaced. Let’s assume each tip flow rate is within 5% of the average output and no more than 5% […]

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Spray Drift Basics

It’s not only field sprayers that drift. Photo Credit – G. Amos and D. Zamora, Washington State.

This article is intended as a basic overview of what pesticide spray drift is and how to avoid it. If you want a more in-depth study of the physics of drift, head over here. Defining Drift Pesticide spray drift is the aerial movement, and unintentional deposit, of pesticide outside the target area. Aside from being […]

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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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