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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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Root Exudates, Soil Biology, and How Plants Recruit Microbes | Field Talk Friday

Video: Root Exudates, Soil Biology, and How Plants Recruit Microbes | Field Talk Friday



Field Talk Friday | Dr. John Murphy | Root Exudates, Soil Biology, and How Plants Recruit Microbes

Most of us spend our time managing what we can see above ground—plant height, leaf color, stand counts, and yield potential. But the deeper you dig into agronomy, the more you realize that some of the most important processes driving crop performance are happening just millimeters below the surface.

In this episode of Field Talk Friday, Dr. John Murphy continues the soil biology series by diving into one of the most fascinating topics in modern agronomy: root exudates and the role they play in shaping the microbial world around plant roots.

Roots are not passive structures simply pulling nutrients out of the soil. They are active participants in the underground ecosystem. Plants constantly release compounds into the soil—sugars, amino acids, organic acids, and other molecules—that act as both energy sources and signals for soil microbes.