Improving Canola Establishment and Uniformity Across Various Soil-climatic Zones of Western Canada

Researcher: Yantai Gan, Agriculture and Agri-Food Canada (AAFC) Swift Current SK, Eric Johnson, AAFC Scott SK, Randy Kutcher, AAFC Melfort SK, Bill May and Guy Lafond, AAFC Indian Head SK, Neil Harker, AAFC, Lacombe AB, Byron Irvine, AAFC Brandon MB and Rob Gulden, University of Manitoba

Project Code: 3.1.4

Final Report: March 2013

Summary: Researchers with AAFC conducted a three-year study to determine the effect of various degrees of seeding uniformity and non-uniformity on canola plant establishment and seed yield in various soil-climatic zones. They also evaluated the effect of seed vigour and straw management options on plant establishment and crop yield in canola. The results showed that total precipitation and temperature differences had significant effects on seed yield and number of fertile pods. Uniformity was most important when
plant density was at or below 40 plants per square meter. The results also showed that
plant establishment, weed spectra and density, and canola yield were impacted by the
different stubble effects.

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