Put only phosphate in the seed row

December 1, 2014

KEY PRACTICE: Ensure safe rates of seed-placed fertilizer to improve nutrient-deficient soil conditions without increasing seedling mortality. The safest step is to put only phosphate in the seed row, and all other fertilizer outside the seed row.

KEY RESEARCH: Grant, Cynthia, Agriculture and Agri-Food Canada (AAFC). “Improving Nutrient Management in Canola and Canola-Based Cropping Systems.” Canola Digest Science Edition (2013).

Grenkow, Laryssa, University of Manitoba. “Seed-Placed Phosphorus and Sulphur Fertlizers: Effect on Canola Plant Stand and Yield.” Oral Presentations, Soils and Crops (2013).


The success of a canola crop relies on meeting high nutrient requirements, particularly those of nitrogen (N), phosphorus (P) and sulphur (S), as well as establishing a strong, dense plant stand. Putting down seed and fertilizer in one pass is common practice on the Prairies, but for canola, most of that fertilizer should go in the side band or mid-row band to avoid seed damage and seedling mortality.

Safe seed placement rates depend on row spacing, seed and fertilizer placement and separation, soil moisture and soil type. Phosphorus is the most important nutrient to place in the seed row, due to its limited mobility and the importance of early uptake.

Open the PDF to read the entire research summary from the 2014 Science Issue of Canola Digest

You can also read the 2014 Science Issue of Canola Digest as a flipbook

Visit the Canola Research Hub website to search the database of grower funded research

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