New Use for Bourgault 1460 Field Sprayer (#SprayMar)

This week I spoke with Gerry Bell, a producer from near Gravelbourg in southern Saskatchewan (a beautiful town with a historic downtown, church and school, also, home of the Gravelbourger at the local diner). He told me about a project he recently completed, converting his older pull-type sprayer to a granular spreader. It’s a great […]

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How Low Can You Go?

There’s a lot of talk about lowering the boom to reduce drift and make twin fan nozzles more effective. But how low can we actually go with a boom before striping becomes a problem? We’ve done some calculating and have come up with answers. First, a few guidelines. Tapered flat fan nozzles require overlap to […]

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Boom Heights at Fan Angles Worksheet

Use this spreadsheet to calculate the minimum boom heights needed for various applications. Some caution: The values are theoretical and assume the fan angles are accurate. Some nozzles don’t produce the advertised fan angle. Enter your actual angle in the spreadsheet The theory assumes that the droplets at the edge of the fan always move […]

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Six Spray Technology Skills for Agronomists

Agronomists help farmers manage their crop with advice on everything from crop cultivars to fertilizer rates to marketing. It’s challenging to be an expert on everything, but a few core competencies can go a long way to improving the level of service. Agronomists are also responsible for communicating environmental best practices. Along with fertilizer rates […]

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How to Calibrate an Airblast Sprayer Operator

Speaking with Ontario apple growers in 2011

When an extension specialist, equipment retailer or consultant is asked to calibrate an airblast sprayer, they would be well advised to calibrate the sprayer operator as well. Consider this: you and the operator are each investing three hours (average) to optimize the sprayer for a specific set of circumstances: the crop dimensions, density, and the […]

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