I feel it’s important to occasionally remind myself why I do what I do, and who I’m doing it for. With that, let me tell you a story. I was recently asked to give a presentation about spray coverage and drift mitigation to an arborist organization. I agreed but harboured reservations. I’ve given talks of […]
Sprayer math can be intimidating, but the effort gives solid value. When combined with a calibrated sprayer you reap the following benefits: There are many ways to perform sprayer math, and you need only look to local pesticide safety courses, industrial catalogues, and extension resource centres for examples. If you’re already comfortable with your current method, don’t […]
This article has been modified with kind permission from an article on Retrofit Parts. Liquid pressure in an agricultural sprayer must be controlled so as to apply the correct volume of spray per hectare. For sprayers that use positive-displacement pumps driven by the tractor’s power take-off, higher flow rates are produced than are actually required. […]
White mould is caused by the fungus Sclerotinia sclerotiorum and it’s an annual threat to soybean when cool, wet conditions correspond with flowering. Variety selection (e.g. high tolerance) and cultural control (e.g. crop rotation and wider row width) are important management tools, but ultimately the application of a crop protection product between R1 and R2 […]
In 2016, Ontario berry growers were surveyed to determine the typical spray volume they used to apply unspecified crop protection products. For strawberry growers (day-neutral and June-bearing), the results spanned 50 to 1,000 L/ha (~5 gpa to ~100 gpa). In an earlier survey (2013), respondents specified 250 to 650 L/ha (~26.5 to 70 gpa) for […]
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