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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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Trending Video

Sclerotinia and Lygus in Seed Canola: Field Update with George Lubberts, CCA | Enchant, Alberta

Video: Sclerotinia and Lygus in Seed Canola: Field Update with George Lubberts, CCA | Enchant, Alberta

Join Certified Crop Advisor George Lubberts for this Prairie Certified Crop Advisor (Prairie CCA) field update from Enchant, Alberta. In this 12th video of the series, George takes us into a seed canola field where the male rows have been removed and the female plants are filling pods. This video was taken in the third week of August 2025.

George discusses the early signs of sclerotinia stem rot, explaining how infection begins in the stem, impacts pod development, and leads to premature ripening. He also shares insights on lygus bug management, including timing of spray applications to minimize feeding damage and maintain seed size and quality.

With cool, damp summer conditions, George notes that while disease pressure is present, overall field health remains good. The crop is just beginning to show early seed colour change, signaling progress toward maturity.

Topics Covered:

•Sclerotinia stem rot identification and impact

•Managing lygus bugs in seed canola

•Crop stage and seed colour change observations

•Timing insecticide sprays for optimal protection

•Insights from a CCA field perspective in southern Alberta