To submit a sample, please download a form:
Florist_Greenhouse_Form_2020-21.pdf
Basal_Stalk_Nitrate_2020-21.pdf
STRAL in the News
UMN Extension: Minnesota Crops News Blog
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The University of Minnesota Soil Testing Laboratory is part of the Department of Soil, Water, and Climate. We provide high quality testing services to the public, Universities, private companies, as well as State and Federal Agencies.
Announcements
Thanksgiving Holiday:
The University will be closed on Thursday and Friday, November 26th and 27th, for the Thanksgiving Holiday.
Our weekly Florist and Greenhouse Testing cycle for Thanksgiving Week will move up to Tuesday/Wednesday, November 24/25. "Normal" operations will resume on Monday, November 30th.
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COVID-19 Update
The Soil Testing Lab is open for business. But due to COVID-19 safety measures, we cannot accept in-person sample hand-off. Please mail or ship your samples to us, or plan to use our drop-box if you're on campus during business hours. Please also understand that there may be slight delays in some laboratory functions. All samples will be analyzed as quickly as possible. Should we be forced to temporarily suspend operations, samples will be properly stored for future testing. Please email us at soiltest@umn.edu, or call 612-625-3101 for more information. (Hours are 8:00-4:30 Monday through Friday, but office coverage is currently spotty, so email messages may result in the fastest response.)
Mail samples to:
U of MN Soil Testing Laboratory
Room 135 Crops Research Building
1902 Dudley Avenue
St. Paul, MN 55108
Out-of-State Samples: Please consult this map. We can accept soils from mainland US counties (including AK) that are NOT highlighted or marked on the map.
For more complex, research-appropriate analyses and testing services, please visit the Research Analytical Laboratory website.
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