Improving Nutrient Management in Canola and Canola-Based Cropping Systems

Researcher: C. Grant, Agriculture and Agri-Food Canada (AAFC), Brandon MB, S. Malhi (AAFC Melfort), B. Beres (AAFC Lethbridge), D. Pageau and J. Lafond (AAFC Normandin), J. Schoenau and F. Walley (University of Saskatchewan), J. Heard (MAFRI), D. Flaten (University of Manitoba), T. S. Sahota (Thunder Bay Research Centre), B. Hellegards (Kellburn Farm).

Project Code: 3.2.1

Final Report: March 2013

Summary: Researchers conducted a broad three-year project to evaluate improved practices for S and P management in canola. Under the project four main studies were conducted in 2010, 2011 and 2012 in Alberta, Saskatchewan, Manitoba, Ontario and Quebec. The results confirmed that optimum yield was obtained when both N and S were supplied in
adequate amounts. Although yield response to P and S varied considerably from site to site, generally yield was not strongly affected by the source of fertilizer. However, the results showed that canola stand density can be significantly reduced when seed-placed P and S fertilizers are used in combination, with sulphur being particularly damaging.

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