Where substrates are sterilised for reuse, the field, orchard or greenhouse (on-farm) or the sterilising company and its location (off-farm) is recorded, together with the dates, product name and active ingredient, machinery, method (drenching, fogging), operator and preplanting interval; steaming or nonchemical alternatives are used where applicable and feasible.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.