Increasing wheat protein with a post-anthesis application of UAN

  • Term: 1 year, beginning in 2018
  • Funding Amount: $ 66,580
  • Lead Researcher(s): Mike Hall (East Central Research Foundation)
  • Funding Partners: Saskatchewan Ministry of Agriculture - Agriculture Development Fund (ADF)

Project Description:

The main focus of this trial is to demonstrate the potential of post-anthesis application of UAN to increase wheat grain protein.

Wheat yields this past summer were surprisingly good in Saskatchewan considering the dry conditions, likely due to the lack of diseases.  However, many producers were disappointed by low levels of grain protein. When area wide protein levels are low, the premiums offered for high protein wheat tend to increase. Post emergent application of N fertilizer is one of the options to increase grain protein during the growing season. The results from this practice vary, but it is more likely to be economical when yield potential is high and soil N is inadequate to maintain high protein levels. Applying nitrogen as a broadcast foliar spray and dribble banding are the other alternatives with specific management practices.  

This demonstration will open up the discussion around increasing wheat protein and will serve to help farmers to apply post-emergent UAN to their crop as safely and efficiently as possible and to decide the suitable circumstances for a post-anthesis application, that is likely to be profitable.

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