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Listen: Canola nutrient requirements

A successful canola crop needs a lot of nitrogen, which is why nitrogen gets most of the attention.

That same successful crop also depends on phosphorus, potassium, sulphur and micronutrients.

Alice McFarlane with Ag Access talks to Canola Council of Canada agronomy specialist Warren Ward about how farmers will benefit from soil tests, yield history and economics to determine the best fertility program.

The University of Saskatchewan recently revised the crop nutrient uptake and removal guidelines for Western Canada. The following table shows the specifications for canola.

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Wisconsin Corn and Soybean Weed Management Updates and Considerations for 2026 and Beyond

Video: Wisconsin Corn and Soybean Weed Management Updates and Considerations for 2026 and Beyond


Dr. Rodrigo Werle, associate professor and extension weed scientist, UW–Madison, shares the latest updates and future considerations for corn and soybean weed management in Wisconsin. This presentation covers herbicide resistance trends in waterhemp, including newly confirmed cases of HPPD and S-metolachlor resistance, and emphasizes the importance of residual herbicides and strategic tank mixes for consistent control. Rodrigo also introduces upcoming technologies like Vyconic soybeans and new herbicide products, discusses integrated weed management strategies such as planting green with cover crops, and highlights practical recommendations for 2026 and beyond.

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