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Lower temperatures and shortened days in the fall trigger perennials such as Canada thistle, dandelion and quack grass to start moving sugars to below-ground tissues. Winter annuals and biennials are also doing this, but they don’t need a cool temperature trigger. Spraying these weeds in fall takes advantage of this downward flow, providing better control for next year. Read more…
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The key strategy of fall fertilization is to store nitrogen over the winter in the ammonium form – which is held on clay and organic matter – and is referred……
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Take fall samples when soil temperatures drop below 10°C, or cooler. Because microbial processes in the soil slow down as temperatures cool, sampling late in the fall will provide a close representation of nutrient levels at seeding next spring. The cooler the better when sampling, but you want to make sure you can still get the probe down 24”. Submit…
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Discovery of a different clubroot pathotype in central Alberta will change the rotation plans for some growers. No current varieties have resistance to this different pathotype, and varieties with a new effective source of resistance will not be available for at least the next year or two, or maybe longer. Longer rotation is necessary to slow the pathogen shift that…
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Soils with pH below 5.5 or above 8.5 can reduce canola yield potential, largely due to reduced nutrient availability. Amending soil with products such as lime to increase pH or elemental sulphur to lower pH can work, but it takes large volumes and a large investment…
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The 2014 Canola Discovery Forum at TCU Place in Saskatoon October 22-23 is a golden opportunity for growers, researchers, agronomists, and representatives from seed and equipment companies to exchange key insights and leading-edge ideas for the sustainable and profitable production of canola. The agenda includes thought-provoking speakers and lots of time for discussion. The forum’s goal is to bring forward…
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Guest speakers include: Dr. Jeff Schoenau, professor in the Department of Soil Science at the University of Saskatchewan, will explain what we know and help us discover what we don’t know about soil fertility management. He will also provide some insights on tech transfer. Kristjan Hebert, a Southeast Saskatchewan grower, strives to capture opportunities in agriculture before they become main…
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Day 2 will focus on new and ongoing research projects. In the morning, attendees at Canola Discovery Forum will divide into two groups for concurrent workshops on stand establishment or emerging pests. The afternoon will feature five briefs on ongoing research. The stand establishment workshop features Jeff Coulter, an extension corn specialist with the University of Minnesota. His current research…
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Read more for the breakdown of how the 8.5 credits add up, and the categories…
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