SUBSTRATE / GROWING MEDIA PREPARATION
Cultivation & Harvest
Substrate / Growing Media Preparation
PrerequisiteAlso: compost prep · media sterilization · log inoculation
Preparing the growing medium for mushrooms, sprouts, microgreens, or hydroponic crops — composting, pasteurizing, or sterilizing.
Typical Hazards
- BBiologicalPathogen survival from inadequate compost / pasteurization temperatures
- CChemicalPesticide / herbicide residue on input straw
- PPhysicalSubstrate fragments, foreign material in compost
Typical Controls
- Compost temperature/time profile (e.g. 55°C × 3 days for produce per Part 112.54)
- Input supplier verification
- Source water quality testing
Regulatory Citations
3 cross-references across 1 documents