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Soil Testing Lab

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3 trays of separate soil samples in containers

When submitting samples for routine fertility analysis please expect a 1-2-week turnaround on results. Results for specialty analyses such as SAR, CEC and Mechanical Analysis may take longer. Thank you for your patronage.


Hours: 8:00 AM to 4:30 PM, Monday to Friday
(closed on weekends and NDSU holidays)

Phone: (701) 231-8942


Physical/Shipping Address
(UPS, Fedex etc.)
1360 Bolley Drive
Waldron Hall 103
Fargo, ND 58102

Mailing Address (USPS)
Soil Testing Lab
NDSU Dept. 7660
PO Box 6050
Fargo, ND 58108-6050

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Why Soil Test?

  • Soil sampling and analysis gives you chemical and physical information about your soil which can be used to optimize plant growth or assist in solving soil-related problems.
  • Soil test results will guide you in the decision whether or not to fertilize, resulting in environmental and economic benefits. Please see "What do I do with my soil test results?" for fertilizer recommendations for numerous plant species.
  • Soil test results can indicate problem areas in your soil. Some examples include: excess salts, high or low pH, problematic soil texture, adverse nutrient levels, etc. These results can be useful for guidance in management or remediation decisions.
  • Soil test results taken over time also allow you follow changes in soil properties over time. This is useful to track remediation efforts or determine if unfavorable trends are occurring. 
Frequently Asked Questions


Isaac Cuchna
Soil Testing Diagnostician