Manure/Compost Analyses

Quick Links 

New pricing effective as of April 1, 2022. Contact the lab ( if you have questions about fees. 

  • Varies by submission size and analyses selected. 
  • Manure/Compost package analyses 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 Manure/Compost Submission Form to: 

OSU Soil Health Lab

3017 Ag Life Sciences Bldg

Corvallis, OR 97331 

  • Samples AND Manure/Compost 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 manure/compost-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. 

Compost/Manure Analysis Packages

*Sample Preparation (grinding, sieving, drying) is an additional $5/sample for all sample submissions. 

Package Contents RUSH Analysis

Price per sample for 1-15 samples

Price per sample for 16+ samples
Manure/Compost Analysis Total C, N, nitrate-N, ammonium-N, P, K, Ca, S, Mg, Total ash, Moisture $211.00 $74.50 $61.50
Heavy-Metal Analysis Total As, Cd, Cr, Cu, Ni, Pb, Zn $119.50 $36.00 $28.50


Individual Manure/Compost Analyses

*Please see the Individual Soil Analyses list, as many of the soil analyses can be conducted with compost/manure upon request.