Tests for Greenhouses, Florists, and Nurseries
Soil/Media
Standard Test: $25/sample (Spurway or Saturated Media Extract)
- pH
- soluble salts (electrical conductivity)
- nitrate, ammonia
- phosphorus, potassium, calcium, magnesium
- sodium, iron, manganese, zinc, copper
- molybdenum, boron
Optional Test: $10/sample
- pH and soluble salts ONLY
Water (used for irrigation, NOT drinking water)
If fertilizer has been added there may be an extra charge to cover the additional work required. You may wish to contact the Laboratory before sending in such a sample.
Standard Test: $30/sample
- pH
- alkalinity
- soluble salts (electrical conductivity)
- nitrate, ammonia
- phosphorus, potassium, calcium, magnesium
- sodium, iron, manganese, zinc, copper
- molybdenum, boron
Optional Test: $10/sample
- pH and alkalinity ONLY
Plant Samples for Greenhouses and Nurseries
Plant analysis (nutrients) is available for commercial customers.
Florist/Greenhouse Testing Service Form (PDF)
Florist/Greenhouse Testing Service Form (fillable PDF)
Diagnostic Plant Analysis Request Form (xls)
Diagnostic Plant Analysis Request Form (fillable PDF)
Instructions for sample collection
Samples are kept for about six weeks, then discarded.