2025-2026年美国玉米收成质量报告

2025/2026CORN HARVESTQUALITY REPORT Developing a report of this scope and breadth in a timely manner requiresparticipation by several individuals and organizations. The U.S. Grains &BioProducts Council (Council) is grateful to Steve Hofing, Lee Singleton,Lisa Eckel, Dee Ann Hoffman, David Mock and Erin Krannawitter of CentrecConsulting Group, LLC (Centrec) for their oversight and coordination indeveloping this report. A team of experts provided analysis and writingsupport. External team members include Dr. Tom Whitaker, Dr. Lowell Hill,Dr. Marvin R. Paulsen, Dr. Fred Below and Juliann R. Seebauer. In addition,the Council is indebted to the Illinois Crop Improvement Association’s IdentityPreserved Grain Laboratory (IPG Lab) and Champaign-Danville GrainInspection (CDGI) for providing the corn quality testing services. Finally, this report would not be possible without the thoughtful and timelyparticipation of local grain elevators across the United States. We are gratefulfor their time and effort to collect and provide samples during their very busyharvest time. As a USDA programs participant, the U.S. Grains & BioProducts Council iscommitted to complying with non-discrimination policies from federal, stateand local civil rights laws and those of the USDA. Visit the USDA website page(https://www.usda.gov/non-discrimination-statement) for details. Greetings from the CouncilHarvest Quality HighlightsIntroduction 6Quality Test Results A.Grade Factors..................................................................................................6B.Moisture.........................................................................................................18C.Chemical Composition...................................................................................22D.Physical Factors............................................................................................32E.Mycotoxins.....................................................................................................49 59Crop and Weather Conditions A.2025 Harvest Highlights.................................................................................59B.Planting and Early Growth Conditions...........................................................60C.Pollination and Grain-Fill Conditions..............................................................62D.Harvest Conditions........................................................................................64E.Comparison of 2025 to 2024, 2023 and the 5-Year Average.........................66 68U.S. Corn Production, Usage and Outlook A.U.S. Corn Production.....................................................................................68B.U.S. Corn Use and Ending Stocks.................................................................71C.Outlook..........................................................................................................72 75Survey and Statistical Analysis Methods A.Overview........................................................................................................75B.Survey Design and Sampling........................................................................76C.Statistical Analysis.........................................................................................79 80Testing Analysis MethodsA.Grade Factors................................................................................................ 81B.Moisture.........................................................................................................82C.Chemical Composition...................................................................................82D.Physical Factors............................................................................................82E.Mycotoxins.....................................................................................................83 85Historical Perspective A.Grade Factors and Moisture..........................................................................85B.Chemical Composition...................................................................................86C.Physical Factors............................................................................................87D.Mycotoxins.....................................................................................................88 U.S. Corn Supporting InformationUSGC Contact Information The U.S. Grains & BioProducts Council is pleased to present findings from its 15thannual cornquality survey in this2025/2026 Corn Harvest Quality Report. The Council offers this report to provide reliable and timely information about the quality of the U.S.corn crop and assist industry leaders in making well-informed buying decisions. Through trade, theCouncil is committed to the furtherance of global food security and mutual economic benefit. Generally favorable weather conditions allowed for the 2025 crop to be planted at a pace similarto the average pace of th