| Test Name | Description | Price per Sample |
|---|---|---|
| Compost Basic | Measures compost pH and electrical conductivity (soluble salts), plus ammonia-N, nitrate-N, and water-soluble (plant-available) nutrients (P, K, Ca, Mg, Cu, Mn, Zn, B) using a saturated media extract. | $40.00 |
| Compost Intermediate | Includes Compost Basic plus a maturity index to help assess compost stability and readiness for use. | $65.00 |
| Compost Comprehensive | Includes Compost Intermediate, along with total carbon, total nitrogen, C:N ratio, moisture content, and bulk density, for a more complete compost quality assessment. | $120.00 |