Data Sources

Auburn University & Alabama A&M University cooperative extension. Pawpaw Production Guide (ANR-3095, 2024).

Assefa, Staggenborg & Prasad (2010) peer-reviewed review of grain sorghum water requirement and drought response

Grower trade association — cut-flower production references and price guidance.

Primary-source grower and purchasing information published by Bascom Maple Farms.

Provincial vegetable production guides (Leek production guide) — soils, seeding, fertility, pest management.

Canola Council of Canada — Canola Encyclopedia: agronomy reference for canola establishment, soil, fertility, and harvest.

Primary-source grower and purchasing information published by Cherry Central.

Clemson HGIC vegetable and fruit growing factsheets.

Crop budgets, growing guides, pest management for NY

Cornell University small-farms outreach; forest-grown mushroom production and marketing guidance.

Wetland and waterfowl conservation organization; publishes habitat research including cropland nesting-cover studies.

Publisher of buyer-network source material. First referenced 2026-08-07.

Internal derivation. Snowflake axis scores computed from stored crop, economics, buyer and market-channel values against catalog-wide percentiles and regional climate baselines. Rationales state the underlying values. Not an external source — role is always "derived".

Publisher of buyer-network source material. First referenced 2026-08-07.

Publisher of buyer-network source material. First referenced 2026-08-07.

Extension guidance on growing, harvesting, storing, and marketing turnips and rutabagas

Variety-specific growing guides and performance data

Manitoba Agriculture commercial vegetable production guides

MSU College of Agriculture & Natural Resources extension — leading authority on dry beans, soybean, and Great Lakes field crops.

Grower cooperative aggregating North American elderberry; market demand and value-added marketing guidance.

MSU Extension & Western Triangle Ag Research Center — agronomy guides incl. Camelina MontGuide

Publisher of buyer-network source material. First referenced 2026-08-07.

Publisher of buyer-network source material. First referenced 2026-08-07.

Publisher referenced by crop research. First cited 2026-08-07.

NDSU Extension projected crop enterprise budgets by multicounty region (EC1652-EC1660), February 2026. Northwest ND (EC1657) includes a dryland proso millet budget.

USDA-funded agricultural research station at the University of New Hampshire. Publisher of "Growing Kiwiberries in New England: A Guide for Regional Producers" (NIFA Multi-state Hatch NH00611-R).

Publisher of buyer-network source material. First referenced 2026-08-07.

Floriculture research, growing guides, and the NC Extension Gardener Plant Toolbox.

AgraPoint/Atlantic Provinces vegetable crops production guide for Brussels sprouts — establishment, pests, diseases, physiological disorders, harvest and storage.

Crop enterprise budgets and production guides for OH

OSU Extension crop production fact sheets.

Crop production guides, budgets, and recommendations for PA

Pacific Northwest Plant Disease Management Handbook (OSU/WSU/UI joint publication)

High-resolution climate data - temperature, precipitation, GDD

Peer-reviewed multidisciplinary journal; used for primary ecological and pollination research findings.

Safe grain moisture/temperature guidelines and aeration management for stored shelled corn

Organic farming research and crop trials

Publisher referenced by crop research. First cited 2026-08-07.

USDA-NIFA SARE Outreach cover-crop handbook; species chapters with establishment, management and comparative agronomy

Grower agronomy guide for lentil seeding, inoculation, insect pests, rolling, desiccation and harvest management.

Open-access peer-reviewed multidisciplinary journal; used for primary agronomic and ecological research findings.

Land-grant extension publications on field crop agronomy, alternative crops and oilseeds.

Primary-source grower and purchasing information published by Sunrise Cooperative.

Jerusalem artichoke culture, selection and post-harvest handling; in-ground overwintering and cold-storage sweetening.

Primary-source grower and purchasing information published by The Birkett Mills.

National canola grower association; publishes agronomy, market and pollinator-health guidance for U.S. canola production.

University of California IPM Pest Management Guidelines for vegetable crops

UC Sustainable Agriculture Research & Education Program elderberry resource: harvest, postharvest, freezing/storage, and marketing best practices.

Commercial leek production: varieties, planting, trenching/hilling, harvest and storage conditions.

Grain sorghum harvest moisture, safe storage moisture by duration, aeration temperature guidance.

UC Agriculture and Natural Resources — publication PDFs incl. postharvest/storage guidance

Publisher referenced by crop research. First cited 2026-08-07.

Publisher referenced by crop research. First cited 2026-08-07.

Publisher referenced by crop research. First cited 2026-08-07.

MU Extension publications incl. G738 Missouri Direct-to-Consumer Pecan Planning Budget (April 2025 prices).

Publisher referenced by crop research. First cited 2026-08-10.

University of Saskatchewan Fruit Program (Dr. Bob Bors lab); foundational breeding program for haskap (Lonicera caerulea) cultivars Tundra, Borealis, Aurora, Honeybee, Indigo and Boreal series. Postharvest and commercial-production guidance.

Publisher referenced by crop research. First cited 2026-08-07.

USDA Agricultural Marketing Resource Center commodity profiles. Hosted by Iowa State University with partial USDA Rural Development funding.

USDA AMS wholesale terminal market fruit & vegetable price reports (FV020 series).

Authoritative reference for optimal postharvest storage temperature, humidity, and storage life by commodity

Economic Research Service - farm income, commodity outlook, trade data

USDA Agricultural Research Service FoodData Central — authoritative per-100g nutrient composition (SR Legacy, Foundation Foods, FNDDS).

Publisher referenced by crop research. First cited 2026-08-12.

National Agricultural Statistics Service - crop prices, acreage, yields, production data

US Department of Agriculture statistical agency. Publisher of the monthly Agricultural Prices report (prices received by farmers, national and by state) and the annual commodity summaries.

Plant characteristics, native ranges, hardiness zones

Risk Management Agency - crop insurance data and programs

Soil maps, soil properties, suitability ratings

USU Extension production horticulture fact sheets, incl. high tunnel cut flower production.

Production and budget guidance for field-grown specialty cut flowers.

Land-grant extension fact sheets on crop production, plant pathology and postharvest handling.