Custom Software for Food Supply Chain & Agriculture
Secure, flexible, and compliant architecture tailored for the unique challenges of the Food Supply Chain & Agriculture sector.
Vivek Mishra — Founder & Lead Architect, ERPStack
Quick Answer
In short: an agriculture ERP has to keep a traceability lot code alive from field to invoice. ERPStack builds custom agriculture and food supply chain software on 21 CFR Part 1 Subpart S Critical Tracking Events, EUDR six-decimal plot polygons, EPA Worker Protection Standard re-entry intervals, and grain settlement posted to a PostgreSQL ledger through Drizzle ORM, with RBAC per packhouse.
Why Custom ERP for Food Supply Chain & Agriculture?
Operating in the Food Supply Chain & Agriculture sector requires a systems architecture designed for high scalability, operational flexibility, and strict regulatory compliance. Standard off-the-shelf software forces your teams to reshape their workflows to fit rigid software packages. A custom ERP for the Food Supply Chain & Agriculture industry maps directly to your exact business logic. Deployed to your secure cloud infrastructure (AWS or Azure), the system isolates database schemas, automates redundant reporting tasks, and scales without user seat licensing fees. This ensures your corporate data remains under your absolute control, eliminates vendor lock-in, and lowers long-term operational technology costs by up to 70% over a 3-year period.
Industry Pain Points
- Traceability lot codes die at the packhouse: one pallet mixes forty growers and the transformation event at 21 CFR 1.1350 is never written
- FDA can demand an electronic sortable spreadsheet within 24 hours under 21 CFR 1.1455, and harvest, pack and ship records sit in three systems
- EUDR plot geolocation arrives as photos and typed coordinates instead of six-decimal GeoJSON polygons
- Grain-desk shrink, drying and storage charges never reconcile to the general ledger in SAP S/4HANA or NetSuite
- Restricted-entry and pre-harvest intervals are worked out by hand from paper spray cards, so a tank mix understates the interval
- ISOBUS machine data and scouting records never reach the ERP because the field has no connectivity when the work happens
Engineering Blueprint
Read as an engineer, the FDA Food Traceability Rule at 21 CFR Part 1 Subpart S is a specification for an event-sourced database: every regulated move of a Food Traceability List food emits a Critical Tracking Event carrying Key Data Elements and a traceability lot code. ERPStack builds agriculture systems around that event log in PostgreSQL rather than bolting a traceability report onto a packhouse or grain package.
Critical Tracking Events as an append-only log
In an agriculture ERP on PostgreSQL, Subpart S names the events: harvesting and cooling at § 1.1325, initial packing at § 1.1330, first land-based receiver at § 1.1335, shipping at § 1.1340, receiving at § 1.1345, transformation at § 1.1350. Each is one immutable row on an Event-Driven Architecture backbone — Apache Kafka for scanner and weighbridge ingest, Zod validation at the API edge, Drizzle ORM and TypeScript over PostgreSQL as the system of record.
// Drizzle ORM — one row per regulated Critical Tracking Event
export const cteEvents = pgTable('cte_events', {
id: uuid('id').primaryKey(),
eventType: cteType('event_type').notNull(), // harvest|cool|pack|ship|receive|transform
traceabilityLotCode: text('traceability_lot_code').notNull(),
tlcSourceRef: text('tlc_source_ref').notNull(), // FDA facility reg no. or URL
cluId: text('clu_id'), // USDA FSA Common Land Unit for the harvested plot
});Where the lot code breaks: the packhouse
One pallet mixes forty growers’ lots, so agriculture is the rare vertical where a single transformation destroys lineage unless the input traceability lot codes are written onto the output. ERPStack stores that as a many-to-many edge table and resolves traceback with a recursive PostgreSQL query, so five hops return growers, not guesses. GS1 EPCIS 2.0 and CBV 2.0, published June 2022, carry the same events to trading partners using GTIN, GLN and SSCC identifiers over a REST or GraphQL API your retail and logistics customers already consume.
Grain settlement is a second ledger
No generic ERP prices a load of corn. Settlement reads 7 CFR 810.404 — U.S. No. 2 corn is 54.0 lb per bushel minimum test weight, 5.0% damaged kernels, 3.0% broken corn and foreign material — then applies moisture shrink, drying and storage charges against a basis, forward or hedge-to-arrive contract. Cooperatives add Subchapter T patronage under 26 U.S.C. § 1388, where a qualified written notice of allocation needs at least 20% paid in money. ERPStack posts all of it through one double-entry ledger with ACID Compliance guarantees.
Capture that survives no signal
ISO 11783 (ISOBUS) defines how tractors, implements and farm software exchange data, and the field generating it rarely has connectivity. Offline-first capture with Idempotency in API Design is therefore an agriculture architecture requirement, not a slogan: telemetry lands in TimescaleDB, audit-bearing events replay into the same Postgres log, and a Next.js client serves scouts without an install. Meanwhile the grain desk beside SAP S/4HANA or Oracle NetSuite is retired module by module using the Strangler Fig Migration Pattern, on AWS provisioned with Terraform.
Our Solutions
- Append-only Critical Tracking Event log in PostgreSQL with traceability lot code lineage preserved across every transformation
- GS1 EPCIS 2.0 and CBV 2.0 exchange that carries Critical Tracking Events to buyers with GTIN, GLN and SSCC identifiers over a REST and GraphQL API
- PostGIS plot geometry at six-decimal precision, exported as EUDR GeoJSON with due-diligence statement references
- Grain settlement for basis, forward and hedge-to-arrive contracts with moisture shrink and patronage equity in one double-entry PostgreSQL ledger
- Offline-first ISOBUS and scouting capture on a Next.js client, with idempotent sync into TimescaleDB and Postgres
- Label-driven restricted-entry, pre-harvest and withdrawal engine that blocks harvest and load-out under RBAC
Compliance & Security
ERPStack holds no GFSI, organic or GLOBALG.A.P. certification — it builds the systems that produce the evidence those schemes demand from agriculture businesses. Each rule below is stated as what it forces into the schema.
FSMA 204: 24 hours, sortable, and the date really moved
21 CFR 1.1455(c) requires the Critical Tracking Event records from §§ 1.1325 through 1.1350 to reach FDA in an electronic sortable spreadsheet within 24 hours of a request, retained 2 years. The original compliance date was 20 January 2026; FDA’s 30-month extension to 20 July 2028 at 90 FR 38084 remains a proposed rule, and Public Law 119-37 is what bars enforcement before then. So the export is an ERP feature with an Immutable Audit Trail, not a consultant’s spreadsheet.
EUDR: six-decimal polygons, not a PDF attestation
Regulation (EU) 2023/1115 applies to large and medium operators from 30 December 2026 and micro and small operators from 30 June 2027, against a 31 December 2020 cut-off. Cocoa, coffee, soy, palm, cattle, rubber and wood need plot geolocation — latitude and longitude to six decimal digits, as polygons above 4 hectares, uploaded only as GeoJSON. Fines start at 4% of Union-wide turnover, so PostgreSQL with PostGIS holds the geometry and the due-diligence statement reference.
Intervals are calculations, not reminders
Under 40 CFR 170.407(c), when two or more pesticides are applied at the same time the restricted-entry interval is the longest of them — arithmetic a paper spray card cannot do. Pre-harvest intervals gate the harvest event, and the Veterinary Feed Directive at 21 CFR 558.6 bars extralabel use and makes veterinarian, distributor and client each keep the directive 2 years. ERPStack blocks the harvest and load-out events under RBAC and logs every override.
Cold chain and the export document set
21 CFR 1.908 bars selling a load after a possible material failure of temperature control until a qualified individual clears it — a hold-by-default state machine fed by webhooks from reefer telemetry. Exports then need the IPPC ePhyto: a phytosanitary certificate as XML under ISPM 12, exchanged through the ePhyto Hub, which the agriculture ERP should generate rather than retype.
Organic and GFSI evidence, pulled unannounced
USDA’s Strengthening Organic Enforcement rule took effect 20 March 2023 with an implementation date of 19 March 2024, adding NOP import certificates, tighter traceability and unannounced inspections. GLOBALG.A.P. IFA v6 GFS holds GFSI recognition and is accepted for BRCGS and IFS handling units. Agriculture systems therefore need scoped read-only auditor logins and mass-balance queries on demand — the access controls a SOC 2 audit asks for, enforced in Postgres.
The field has no signal, and the record still has to be defensible
A tractor cab, a packhouse chiller and a remote block share one property: connectivity drops. So capture is offline-first, with conflict resolution on sync rather than last-write-wins. ERPStack keeps sensor and reefer telemetry in TimescaleDB, moves Critical Tracking Events through Apache Kafka, and lands the PostgreSQL ledger of record behind Drizzle ORM, with Redis holding the sync queue. A multi-tenant schema scopes each grower and packer to its own rows, RBAC governs the auditor login, and an Immutable Audit Trail preserves who recorded a lot code, when, and on which device — which is what turns a 24-hour FDA request into a query instead of a search. Terraform provisions the whole path in AWS.
Standards we engineer to
- FSMA 204 — 21 CFR Part 1 Subpart S
- EUDR — Regulation (EU) 2023/1115
- EPA Worker Protection Standard 40 CFR 170
- Veterinary Feed Directive 21 CFR 558.6
- FSMA Sanitary Transportation 21 CFR 1 Subpart O
- USDA NOP Strengthening Organic Enforcement
- GLOBALG.A.P. IFA v6 GFS
Get the Blueprint
Download our comprehensive Systems Architecture Blueprint to see how we architect compliant solutions.
Download BlueprintMetrics & Integrations
Illustrative engineering targets for this sector — the SLAs and capacities we design and build toward, not a live service dashboard.
Five-hop lot traceback query
FSMA 204 sortable export
Offline field capture buffer
EUDR plot polygons per statement
Integration: GS1 EPCIS 2.0
Integration: ISOBUS ISO 11783
Integration: EUDR Information System
Integration: IPPC ePhyto Hub
Integration: USDA FSA Common Land Unit
Integration: Apache Kafka
Implementation Process
CTE and KDE mapping
Walking every harvest, cooling, packing, shipping, receiving and transformation event to the Key Data Elements 21 CFR Part 1 Subpart S requires.
Event log and lot lineage
Building the append-only PostgreSQL event table and the input-to-output traceability lot code edges that survive a packhouse transformation.
Plot geometry and due diligence
Loading Common Land Unit and grower plot boundaries into PostGIS at six-decimal precision and emitting EUDR GeoJSON payloads.
Contracts and settlement
Wiring basis, forward and hedge-to-arrive contracts, moisture shrink and patronage allocations into a double-entry general ledger.
Offline capture rollout
Shipping the ISOBUS and scouting clients with idempotent sync so field events replay into the event log without duplicates.
Audit dry run
Rehearsing a 24-hour FDA request and an unannounced organic inspection against the live sortable spreadsheet export.
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Read Case StudyFrequently Asked Questions
Plan for 20 July 2028, and know why. FDA's Food Traceability Rule set an original compliance date of 20 January 2026 for any agriculture business handling a Food Traceability List food. FDA's 30-month extension at 90 FR 38084 is still only a proposed rule; the binding instrument is Public Law 119-37, which bars enforcement before 20 July 2028.
A traceability lot code uniquely identifies a traceability lot within the records of whoever assigned it. In agriculture it is assigned at initial packing, at the first land-based receiver, or at transformation, then passes unchanged through every shipping and receiving event until the food is transformed again. Each record also carries a traceability lot code source reference: an FDA facility registration number or a URL.
Through the transformation event at 21 CFR 1.1350, which is where most agriculture traceability projects quietly fail. The system must record every input traceability lot code against the new output code, so ERPStack stores that as a many-to-many edge table in PostgreSQL and resolves traceback with a recursive query. A five-hop trace becomes one API call.
Yes, if you are the operator placing the goods on the EU market. Regulation (EU) 2023/1115 applies to large and medium operators from 30 December 2026 and to micro and small operators from 30 June 2027. Coffee, cocoa, soy, palm, cattle, rubber and wood need plot geolocation to six decimal digits, as GeoJSON polygons above 4 hectares — so your agriculture ERP, not the broker, holds the plot boundaries.
Keep SAP S/4HANA if your plants already run it and your edge is manufacturing throughput; SAP is genuinely strong at process manufacturing. But S/4HANA has no native model for basis contracts, moisture shrink or patronage equity, so agriculture businesses license a second package anyway. The honest split is SAP for the plant, custom PostgreSQL for contracts and Critical Tracking Events.
Odoo is cheaper to start and fine if your agriculture operation is mostly purchasing, inventory and accounting. Microsoft Dynamics 365 fits when finance already sits in the Microsoft Azure estate. Both get expensive once you fork the module modelling packhouse transformation or EUDR plot geometry, because you maintain that fork forever. Custom ERP development wins once your compliance model stops resembling distribution.
You take the longest one. 40 CFR 170.407(c) states that when two or more pesticides are applied to a treated area at the same time, the applicable restricted-entry interval is the longest of all applicable intervals. ERPStack stores each labelled interval, computes the effective one per application, and blocks the agriculture crew's re-entry and harvest events until it expires.
By making load-out a blocked state rather than a warning. The Veterinary Feed Directive at 21 CFR 558.6 requires a lawful directive from a licensed veterinarian, bars extralabel use, and makes veterinarian, distributor and client each retain the VFD two years. An agriculture ERP holds the withdrawal clock per animal group and refuses the shipping event until it clears.
It has to, which is why offline-first is an architecture decision in agriculture, not a feature. ISO 11783, better known as ISOBUS, governs how tractors, implements and farm software exchange data, and that data is created where connectivity is worst. ERPStack queues events on device with idempotent write keys, then reconciles against the Postgres event log on reconnect.
No. ERPStack holds no organic, GFSI or GLOBALG.A.P. certification and cannot issue one; only an accredited certifying agent can. What ERPStack builds is the evidence layer those audits demand of agriculture operations: the traceability records and mass-balance queries USDA's Strengthening Organic Enforcement rule has expected since 19 March 2024, plus RBAC-scoped auditor access.