Agricultural & Soil Testing

AssayCore Agro

AssayCore Agro is built for agricultural testing laboratories analyzing soil, water, plant tissue, and fertilizers. The platform covers macro and micronutrient analysis, pH/EC measurements, heavy metal screening, and automated fertilizer recommendations based on crop requirements. Integration with precision agriculture platforms enables variable-rate application maps. Full ISO 17025 compliance with chain of custody tracking.

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Compliance & Standards

ISO/IEC 17025:2017ISO 10381-1..8 (soil sampling)ISO 11464 (soil pretreatment)EU 396/2005 (pesticide MRL)Codex Alimentarius CXL40 CFR 180 (US EPA pesticide tolerances)EPA Method 3050B (acid digestion for metals)EPA Method 6010 (ICP-OES metals)Codex MRL (CXL pesticide residues)Japan PLMRL (Positive List)Good Agricultural Practice (GAP)GDPR

Platform Modules

Complete feature set covering every stage of your laboratory workflow.

Soil Analysis

Macro nutrients (N, P, K) and micronutrients (Fe, Mn, Zn, Cu, B)
pH, EC, CEC, organic matter, texture analysis
Heavy metal screening (Pb, Cd, As, Hg)
Soil health indices and carbon sequestration
GPS-tagged sampling with field mapping

Fertilizer Recommendations

Crop-specific nutrient calculators
Variable-rate prescription maps
Lime requirement calculations
Organic vs synthetic amendment planning
Cost optimization per hectare

Plant & Crop Diagnostics

Plant tissue analysis (leaf, petiole, grain)
Deficiency symptom identification
Disease and pest risk assessment
Yield prediction models
Growth stage tracking

Water Quality

Irrigation water analysis
Salinity and sodicity assessment (SAR, RSC)
Nitrate and phosphate loading
Microbial contamination testing
Water treatment recommendations

Pain Points We Solve

Concrete laboratory pain — quantified — and how AssayCore Agro addresses each.

Fertilizer recommendations are spreadsheet-driven and ignore residual N

Average over-fertilization 18-25% per season

NPK calculator subtracts soil + residual N and outputs variable-rate prescription map

Heavy-metal screening uses vendor instrument exports without QC traceability

QA findings on 30%+ of EPA 3050B / 6010 audits

EPA Method 3050B + 6010 templates with method blanks, spikes, duplicates, MDL studies

Codex MRL pesticide updates lag 3-6 months on legacy LIMS

Direct revenue loss when shipments rejected at port

Codex MRL DB synced quarterly; auto-flag results vs commodity-specific MRL

GPS-tagged sampling is paper-mapped

10-30 min/sample re-keying field positions back at the lab

Mobile sampling app stores GPS + photo at point of sampling, syncs to LIMS

Walkley-Black OM% recalculated with paper worksheets

Frequent transcription errors; full re-run on 5% of soils

Built-in Walkley-Black, loss-on-ignition, and dichromate calculators with audit log

Weather-adjusted N applications are theoretical, not operational

Yield loss 5-12% when N timing misses GS30/31

FAO 56 weather-adjusted N module pulls station data and updates recommendation per field

ML Models in Production

Bundled CPU-only inference. Open datasets, transparent metrics, lab-tunable thresholds.

Model	Task	Dataset	Metric	Latency	Status
agro.npk_recommender	Recommend NPK rate per field × crop × yield-target	FAO 56 + USDA NRCS + internal regional priors	MAE 12 kg N/ha vs agronomist baseline	30 ms (CPU)	Production
agro.soil_classifier	Classify USDA soil texture from %sand/silt/clay	USDA NRCS Soil Survey Geographic (SSURGO)	Accuracy 96.4%	8 ms (CPU)	Production
agro.pesticide_residue_anomaly	Flag residue results out-of-pattern for commodity / region	EU EFSA + Codex MRL + regional priors (synthetic 50K)	AUC 0.88	20 ms (CPU)	Production
agro.crop_disease_classifier	Classify leaf-image disease symptoms	PlantVillage (HF: kandeshakil/plant-village, 87K images, public)	Accuracy 94.7%	GPU only (450 ms CPU fallback)	GPU-only
agro.yield_predictor	Predict yield (t/ha) from soil + weather + variety	FAO climate + USDA + internal trial data	R² 0.82, RMSE 0.6 t/ha	35 ms (CPU)	Production
agro.lime_recommender	Recommend lime requirement to reach target pH	Adams-Evans buffer model + soil priors	MAE 0.3 t/ha	10 ms (CPU)	Production

Formulas & Calculations

Calculations that actually run in AssayCore Agro — every formula links to its source standard.

NPK target rate

N_target = (yield_target × N_uptake_factor) − N_soil − N_residual

FAO 56; USDA NRCS Agronomy Handbook

Walkley-Black organic matter

%OM = (V_b − V_s) × N × 0.39 × f / m_soil

Walkley-Black 1934; USDA NRCS

Cation Exchange Capacity

CEC (cmol+/kg) = Σ(Ca²⁺ + Mg²⁺ + K⁺ + Na⁺ + H⁺ + Al³⁺)

USDA NRCS; ISO 23470

Sodium Adsorption Ratio (irrigation)

SAR = Na⁺ / √((Ca²⁺ + Mg²⁺) / 2)

FAO 29; USDA Salinity Lab Handbook 60

Codex MRL pesticide compliance

C_residue ≤ MRL_codex (per pesticide × commodity)

Codex Alimentarius CXL 2024

EPA 3050B / 6010 metals digestion

C_total (mg/kg) = (C_ICP × V_extract × dilution) / m_sample

EPA SW-846 Method 3050B + 6010D

Weather-adjusted N (FAO 56)

N_adj = N_baseline × f(rainfall, ETo, GDD_to_GS30)

FAO Irrigation & Drainage Paper 56

Why AssayCore Agro vs Competitors

Honest side-by-side. Where competitors lead we say so; where we lead, we show how.

Competitor	Their offer	AssayCore Agro
Ag Leader	Strong precision-ag hardware; weak lab-side soil chemistry tracking	Full EPA 3050B/6010 workflow + variable-rate prescription map export
Granular (Corteva)	Farm-management focus; no ISO 17025 lab module	ISO 17025 lab module + Granular-compatible export for prescription maps
Trimble Ag	GIS-heavy; soil nutrient calc requires 3rd-party plug-ins	NPK + lime + Walkley-Black built-in; GPS-tagged sampling out-of-box
Agrian / Agworld	Compliance + recordkeeping but no Codex MRL pesticide DB	Codex MRL synced quarterly with auto-flag against commodity tolerances
Generic LabWare/STARLIMS Agro	$100-250K, 6-9 month deploy, no fertilizer recommendation engine	$19.9-29.9K starter, 21-day deploy, NPK + lime recommenders included

Who Uses AssayCore Agro?

Agricultural testing laboratories
Agronomic consulting firms
Fertilizer manufacturers with QC labs
Precision agriculture service providers

Integrations

KafkaMinIOKeycloak SSOGPS / GISPrecision Ag Platforms

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