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 WATER or SOLUTION Sample
- Solution Sample Submission Form (PDF for print)
- Volume Requirements- *Contact the Lab
- Fees Per Analysis (PDF)
- Varies by submission size and analyses selected.
- 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 Solution Submission Form to:
OSU Soil Health Lab
3017 Ag Life Sciences Bldg
Corvallis, OR 97331
- Samples AND Solution 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 8AM-4PM.
- 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 solution-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.
Analyses for Solutions
| Analysis | Description | RUSH Pricing per sample | Price per sample for 1-15 samples | Price per sample for 16+ samples |
| pH | acidity or alkalinity of soil | $ 21.00 | $ 9.00 | $ 8.00 |
| Electrical conductivity (EC) | conductivity of soil salts in solution | $ 15.00 | $ 10.00 | $ 9.00 |
| pH+EC | $ 23.00 | $ 12.00 | $ 11.00 | |
| Plant available Phosphorus (PO4-P) | Colorimetric analysis | $ 45.00 | $ 18.00 | $ 15.50 |
| Plant available Ammonium (NH4-N) | Colorimetric analysis | $ 35.00 | $ 12.00 | $ 11.00 |
| Plant available Nitrate (NO3-N) | Colorimetric analysis | $ 33.00 | $ 11.00 | $ 10.00 |
| NH4-N + NO3-N | $ 64.00 | $ 19.00 | $ 16.50 | |
| Elemental analysis by ICP-OES | Determination of elemental concentrations | $125.00 | $ 26.00 | $ 21.00 |
| Dissolved Carbon and Nitrogen | Dissolved carbon and nitrogen by Shimadzu | $ 32.00 | $ 27.50 |