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Marginal acres are a revenue killer

Most farmers in southwest Manitoba contend with marginal acres – sometimes as much as 20 percent of their land – where the crops grown on those acres won’t pay for the input costs.

“The numbers are higher than you might expect,” says Sam Robinson, a research scientist who studies sustainable agriculture for Ducks Unlimited Canada (DUC). “Common causes of marginal acres are too much or too little water, extra salinity and soil compaction. Weeds are another big one.”

Marginal acres can reduce your farm’s overall crop yield and profit margin. Using data from Manitoba Agriculture’s 2025 Cost of Production Guide, DUC is urging farmers to address unproductive patches and get a better return on investment (ROI) in the process.

Appleyard worked with 48 farmers in southwest Manitoba in the last crop year to rehabilitate more than 1,200 acres through DUC’s Marginal Areas Program. Those producers pocketed nearly $200,000 in program incentive payments.

“DUC offers Manitoba farmers $200 per acre to seed marginal acres to forage,” says Robinson, “so there’s an economic incentive. The environment also benefits because the new growth will provide habitat for birds and increase biodiversity. The ultimate goal is to have a stand that establishes well and holds its ground against the common problems.”

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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.