USDA Federal Research ARS Β· NASS Β· GIPSA β€” Post-harvest science data connected Dr. Micah Lewis Β· USDA ARS Β· Grain Moisture Sensing Research
One Farmer. One Stack.
SF20-S Β· Post-Harvest Technology Science Β· Patent Pending US 63/970,943

🌾 Post-Harvest Technology Science

Grain drying science, moisture management, storage loss modeling, and oilseed processing β€” grounded in USDA ARS post-harvest technology research by Dr. Micah Lewis and team.

SF20-S.001 Grain Drying ScienceSF20-S.002 Moisture ManagementSF20-S.003 Storage Loss ModelSF20-S.004 Oilseed Processing
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Fetch USDA ARS Post-Harvest DataLoad grain moisture & storage benchmarks
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EconomicsSF20 drying ROI & crush margin
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Chat ModeAI-guided calculation
📡 USDA Live Data LIVE DATA
Select a source → auto-populate calculators
Select a source below, or fetch all at once
NASS: not loaded | WASDE: not loaded | Comparison: pending
📊 NASS QuickStats
🌐 FAS PSD / WASDE
⚖ Actual vs Forecast
📊 USDA NASS QuickStats — Historical Actuals

Official USDA price received and yield data by commodity, state, and year. Price auto-populates Storage Loss market price (SF20-S.003). Yield provides per-acre quantity reference for drying and storage calculators.

Select a commodity and click Fetch to load historical price and yield data.

Source: USDA NASS QuickStats. Reference data used as fallback. Not endorsed by NASS.

🌐 FAS PSD / WASDE — Current Forecast

Monthly USDA WASDE forecast β€” U.S. production, use, ending stocks, and projected season-average price. Use alongside NASS actuals to stress-test storage loss and drying calculations against forecast price scenarios.

Select a commodity and click Fetch to load USDA WASDE forecast data.

Source: USDA FAS PSD Online (WASDE-aligned monthly forecast). Reference data used as fallback.

⚖ Actual vs Forecast Comparison

Side-by-side view of NASS historical actuals versus USDA WASDE forecast. Fetch both sources first, then select a commodity to compare. Use the price difference to run scenario analysis in the economics calculators.

Fetch NASS and WASDE data first, then click Compare.

Tip: Use the WASDE forecast price in economics calculators to model best-case / worst-case ROI scenarios alongside the NASS actual.

πŸ”₯ Grain Drying Energy Calculator

Model SF20-S.001

Calculate energy requirements, drying time, and fuel cost for high-temperature grain drying. Based on USDA-ARS psychrometric equations and grain equilibrium moisture content models.

πŸ”₯ Ask about this calculator

πŸ“‘ Moisture Monitoring & EMC Calculator

Model SF20-S.002

Determine equilibrium moisture content, safe storage thresholds, and mold risk window based on temperature and relative humidity. Based on USDA-ARS microwave sensing research and Modified Henderson EMC equations.

πŸ“‘ Ask about this calculator

πŸ“¦ Post-Harvest Storage Loss Calculator

Model SF20-S.003

Estimate dry matter loss, quality degradation, and economic value loss from improper grain storage conditions. Models fungal, respiration, and insect loss pathways based on USDA post-harvest research.

πŸ“¦ Ask about this calculator

🌻 Oilseed Quality & Processing Calculator

Model SF20-S.004

Analyze oilseed quality parameters including oil content, protein content, moisture-adjusted grade, and foreign material dockage. Based on USDA-ARS nondestructive sensing and grading research.

🌻 Ask about this calculator

Why AgrStak 🌾 Grain Science Tools?

Built on USDA-ARS research from the RRRC, Athens, GA β€” including Micah Lewis's microwave sensing and grain moisture work as Research Agricultural Engineer β€” AgrStak's SF20 calculators translate federal grain science into real-time farm decisions. From drying cost optimization to moisture equilibrium analysis, these 4 models support grain farmers, elevator operators, post-harvest specialists, and agricultural researchers. Part of AgrStak's 431-model platform β€” patent pending.

For Grain Producers & Handlers
Research-grade.
Field-ready.
βœ“  USDA ARS post-harvest technology research
βœ“  Dr. Micah Lewis grain moisture sensing
βœ“  USDA GIPSA grain quality standards
βœ“  Storage loss quantification models
βœ“  Oilseed processing science
View Pricing Plans β†’
For Institutions & Enterprise
SF20-E drying ROI, shrink value & crush margin
βœ“  Team collaboration & multi-user access
βœ“  API integration available
βœ“  Custom enterprise plans
βœ“  Patent Pending β€” US App 63/970,943
View Enterprise Plans β†’
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SF20 Post-Harvest Technology Science AI
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Ask about grain drying science, moisture management, storage loss, or oilseed processing.