Circulating Spray Mix Through a Tank-Rinse Nozzle Maintains Nematode Concentration

(A) Tank-rinse assembly mounted through tank lid with a flow-regulating valve. (B) Close up of tank-rinse nozzle.

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 […]

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Off-Label Spraying: A Lose-Lose Situation

Submitted by Dustin Morton, Commercial Horticulture Specialist with Alberta Agriculture and Forestry. Horticultural chemicals and pesticides often have the dubious distinction of being more expensive than their field crop cousins. In order to reduce costs, growers may sometimes buy and use chemicals which have the same active ingredient, but are not registered for the crop […]

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Tank Rinse Dilution

If you have a limited amount of clean water to rinse your sprayer, this app can help you decide how to make the best use of it.  Simple enter two values – the amount of pesticide remaining in your tank sump (including the suction line to the pump and the return line to the tank), […]

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Water Quality and Spray Application

Water is one of the main inputs into a spray operation. The amount of water applied per acre is closely related to spray coverage and pesticide performance. But water quality – a term encompassing its cleanliness and chemical composition – is also critical to the performance of pesticides. Ensuring good performance means testing water and […]

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Selecting the Right Water Volume

JD 4940

Low water volumes can mean less effort to apply pesticides. But there is a limit to how low water volumes can go before problems appear. To understand the reasons why, and help applicators use the right volume for a given situation, we briefly outline what happens to a spray cloud as it reaches the crop canopy. Basic Principles […]

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