Notice

Effective December 31, 2017, the Soil and Plant Analysis Lab will be closing to refocus efforts internally, supporting soil science research by agronomy faculty. The lab will complete tests on public samples submitted during the current post-harvest sampling season. The lab will not accept new samples after December 15, 2017.

Thank you for your support of the Lab for the past 35 years. Consider the Iowa Department of Agriculture and Land Stewardship list of certified labs for your future testing needs.

For more information, contact:
Renuka Mathur, SPAL Director or
Kendall Lamkey, Department of Agronomy Chair

Sample Submission and Quick Links

Certification

We participate in the North American Proficiency Testing Program (NAPT) and we are a Certified Soil Testing Laboratory in Iowa (IDALS) to perform limestone analysis for certification purposes.

Payment Policy

All orders for Soil, Plant Tissue, Compost and/or Greenhouse Media testing must be accompanied with payment. For purchase orders please contact the lab. All other orders must be accompanied with a check made out for the total amount payable to ISU Soil and Plant Analysis Laboratory. When samples are received without payment, lab personnel will contact customers in order to collect payment.

IMPORTANT: Samples received without payment will be held for two weeks before being discarded.

Analyses

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