Assessing Alfalfa Stands

Dan Undersander

Hopefully, most alfalfa will come through the winter in good shape.  However, there are some areas where alfalfa will show signs of injury or winterkill due to the lack of snow cover over winter.  We expect that winterkill will be spotty and likely occur to a greater extent in fields with low soil pH, low potassium and sulfur and in older stands.  So it is important to check individual fields for winter injury and kill to make planting decisions early.  Identifying injury without kill will also indicate reduced yield for 2015 and allow consideration of any management changes in the future.

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