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How Average Daily Soil Temperature Impacts Sugarbeet Seed Emergence (05/07/20)

Sugarbeet seeds germinate and emerge over a wide temperature range in the presence of adequate moisture and oxygen.

Sugarbeet seeds germinate and emerge over a wide temperature range in the presence of adequate moisture and oxygen.

In Minnesota and North Dakota, growers are busy planting sugarbeet where field conditions are favorable. Areas with higher than average precipitation last fall which includes Hillsboro through East Grand Forks are taking a long time to dry which has delayed planting. Average daily soil temperature at the 4’’ soil depth has been slowly increasing and currently ranges from 46 to 54° F with cooler soils in the northern Red River Valley. Hopefully planting can continue soon when the soil temperature is increasing. With adequate soil moisture and higher average daily soil temperature, germination and emergence will be faster and more uniform. For example, seeds planted when the average daily soil temperature is 45° F will take up to three weeks to emerge whereas planting done at a soil temperature of 60° F will result in emergence after one week.

The following table gives approximate days to emergence of sugarbeet seeds planted at different soil temperature ranges with adequate moisture.

 

Soil Temperature (°F)     Days to Emergence
38-45                                   21 days or more
45-52                                   10-21 days
52-60                                   7-12 days
60-70                                   5-7 days

 

You can easily obtain soil temperature and all you need to know for sugarbeet production by downloading and using the “Sugarbeet Production Guide” App available for free download at:  

https://apps.apple.com/us/app/sugarbeet-production-guide/id1369831563

Best wishes for a safe planting season.

 

Mohamed Khan

Extension Sugarbeet Specialist

NDSU & U of MN

701-231-8596

This site is supported in part by the Crop Protection and Pest Management Program [grant no. 2017-70006-27144/accession 1013592] from the USDA National Institute of Food and Agriculture. Any opinions, findings, conclusions, or recommendations expressed are those of the website author(s) and do not necessarily reflect the view of the U.S. Department of Agriculture.

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