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Decision Time for Winter Cereal Stands

One of the hardest decisions with growing fall rye, winter wheat, or winter barley is evaluating the amount of winter kill and making the decision whether to keep a stand. Winter cereals are planted in the fall and develops in the spring during relatively ideal conditions for tiller development. Therefore the optimum plant stands of winter cereals can be less than that of their spring counter parts. A stand of 900,000 - 1,000,000 plants/acre or 21 - 23 plants/ft2 will be enough to maximize grain yield.

Some winter kill is to be expected in Minnesota. This past winter was relatively mild but bare by Minnesota standards. The warm conditions at the end of March allowed dormancy to break early but cool weather that followed has meant that fields have been slow to green up and have just started to put on new leaves and tillers, especially north of Interstate 94. This past week was probably the first time that evaluating surviving plant density was fairly straightforward. 

Winter survival in all likelihood will variable within a field and depending on topography (windblown hilltops having less stand than protected areas of the field). If stands are reduced uniformly across the field, stands of 17 plants/ft2 can still produce near maximum grain yields. Even stands as low as 11 plants/ft2 can still produce a 40 bu/A yield.

To do a stand count, use one of the following two methods in Evaluating spring small grains stands.

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