Diagnostic Services
This page provides information, forms, or instructions on soil, water, plant disease, nematode tests, and plant or insect identification.
Duval County Extension Soil pH Testing
Only soil pH testing is offered by the Duval County Extension Office for Duval County residents. Other soil testing must be sent to Gainesville. Check with your local Extension Office to see if they have soil testing. Soil samples from Duval County are returned approximately 14 days after they are submitted.
*This form is to be filled out and brought with the soil sample to the Duval County Extension Office.
Gainesville Extension Soil Testing Laboratory
| Test | Fee | Information |
| Landscape and Vegetable Garden Soil (pH & nutrients) | $3-$10 | |
| Insect ID | $8 | |
| Nematode | $20 | |
| Plant ID | Free | |
|
Plant Disease - Mosaic Virus of St. Augustinegrass |
$20 | |
| Plant Disease | $40 | |
| Rapid Turf Diagnostic Service | $75 | |
| Water - Well or Irrigation | $9-$10 | |
| Producer Soil | $2-$10 | |
| Container Media | $10 | |
| Other Tests: Bahia Producer, Phosphorous Index, Pine Nursery, Plant Tissue | Varies |
Distance Diagnostic & Identification System
The Distance Diagnostic & Identification System (DDIS) is another diagnostic test available from the University of Florida.
