Soil Testing
Soil Testing
Soil Testing
Soil Testing
UOG Soil Lab
Location: Agriculture & Life Sciences Bldg., Room 216
Tel: (671) 735-2143/34
Email: soillab@triton.uog.edu
The Soil Lab at the College of Natural & Applied Sciences conducts soil analyses for farmers and gardeners wanting to improve their crop production as well as for business clients in landscaping, construction, and other industries.
Soil tests and fees
| Regular Clients |
Business Clients (5 sample minimum per test) |
|
|---|---|---|
| Routine analysis (pH, percentage of organic matter, available phosphorus, and exchangeable potassium, calcium, and magnesium) | $20 | $30 |
| Electrical conductivity test for soluable salts | $5/sample | $10/sample |
| Soil texture (percentage sand, silt, clay) | $10/sample | $15/sample |
| Total percent carbon and nitrogen | $10/sample | $15/sample |
|
|
|
Sample drop-off and pick-up
How to collect soil samples
A simple guide for how to collect soil samples is available in the "Soil Sampling" booklet:
A full sandwich-sized Ziploc bag is needed per sample.
Dropoff information
Samples can be delivered to Room 216 of the Agriculture & Life Sciences Bldg. on the UOG campus during the hours of 8:30 a.m. - 3:30 p.m., Monday - Friday.
Turnaround time
The results of your soil test will be available in 5-10 working days.
Payment
All fees must be paid to pick up analysis. Fees can be paid at the Western Pacific Tropical Research Center administrative office in Room 206E, Agriculture & Life Sciences Building.
Off-island soil analyses
For off-island clients in the region, contact the lab for a Soil Import Permit and soil shipping stickers.
Samples for soil analysis from outside of Guam will be charged an additional 100% for the routine soil analysis and an additional 50% for all other tests.