Quick Links
New pricing effective as of February 28, 2025. Contact the lab (Soil.Lab@oregonstate.edu) if you have questions about fees.
- How to Collect and Submit a PLANT Sample
- Plant Submission Form (PDF for print)
- Volume Requirements (PDF)
- Fees Per Analysis (PDF)
- Interpreting Results
- Varies by submission size and analyses selected.
- Plant tissue analysis of garden and grower-scale submission size are generally completed in 6-8 weeks.
- If you plan to submit a large submission, please contact the lab for more up-to-date turnaround estimates. We can do our best to work with your priority of analyses and send out data on a rolling basis.
Mail samples AND Plant Submission Form to:
OSU Soil Health Lab
3017 Ag Life Sciences Bldg
Corvallis, OR 97331
- Samples AND Plant Submission Form can be placed in the Submission Drop Box outside of our laboratory door, Agricultural Life Sciences Bldg Room 3079.
- Plastic bags, sharpies, and extra submission forms are available if needed.
- Drop-off hours are Monday-Friday 9AM - 3PM.
- Contact the lab AFTER drop-off to alert personnel to check the Submission Drop Box.
- Ring the doorbell if you need assistance.
- View the All Fees Per Analysis for a full view of all analyses offered or scroll down to see plant-specific analyses.
- Pricing is per sample AND varies by submission size.
- A discount is given for submissions of 16+ samples.
- Turnaround time for RUSH analysis varies by sample submission size. Contact the lab if you'd like to do a RUSH analysis.
- Contact the Lab Manager if you'd like to receive a formal quote.
You MUST contact the lab BEFORE shipping out-of-state samples. We need to confirm whether the samples are coming from an area that may pose a biological threat to the soils and plants of our region.
Plant Tissue Analysis Packages
*Sample Preparation (grinding, sieving, drying) is an additional $ 7.00/sample for all sample submissions.
| Package | Contents | RUSH Price per sample |
Price per sample for 1-15 samples |
Price per sample for 16+ samples |
| Plant Tissue Analysis | Total C, N, P, K, S, Ca, Mg, B, Mn, Fe, Zn, Cu, Mo | $ 175.00 | $ 50.00 | $ 43.00 |
| Heavy-Metal Analysis | Total As, Cd, Cr, Cu, Ni, Pb, Zn | $ 140.00 | $ 41.00 | $ 34.00 |
Individual Plant Analyses
*Sample Preparation (grinding, sieving, drying) is an additional $5/sample for submissions of 16+ samples.
| Analysis | Description | RUSH Price per sample |
Price per sample for 1-15 samples |
Price per sample for 16+ samples |
| Dry Ash | Digestion by high temperature | $ 30.00 | $ 17.00 | $ 15.00 |
| Microwave Digestion | Nitric acid digestion for total elements | $ 35.00 | $ 20.00 | $ 19.00 |
| Elemental analysis by ICP-OES | Determination of elemental concentrations | $ 125.00 | $ 26.00 | $ 21.00 |
| Total Ash | Total ash at high temperature | $ 24.00 | $ 11.00 | $ 10.50 |
| Total Carbon and Nitrogen | Total CN and organic matter estimate by Elementar | $ 50.00 | $ 24.00 | $ 22.50 |