{"id":6490,"date":"2022-12-12T12:30:04","date_gmt":"2022-12-12T18:30:04","guid":{"rendered":"https:\/\/www.agron.iastate.edu\/glsi\/?p=6490"},"modified":"2025-12-25T10:48:07","modified_gmt":"2025-12-25T16:48:07","slug":"average-corn-yields","status":"publish","type":"post","link":"https:\/\/www.agron.iastate.edu\/glsi\/cropping-systems\/average-corn-yields\/","title":{"rendered":"Average Corn Yields 1866-2025"},"content":{"rendered":"\n<div class=\"wp-block-stackable-image stk-block-image stk-block stk-90a9b08\" data-block-id=\"90a9b08\"><figure><span class=\"stk-img-wrapper stk-image--shape-stretch\"><img loading=\"lazy\" decoding=\"async\" class=\"stk-img wp-image-14576\" src=\"https:\/\/www.agron.iastate.edu\/glsi\/files\/2022\/12\/Mean-Corn-Yields-1866-2025.png\" width=\"1296\" height=\"914\" alt=\"The graph shows how average U.S. corn yields have risen dramatically from 1866 to 2025, with three colored trend lines highlighting different eras of growth. Early yields (1866\u20131950) increased slowly, but the pace accelerated sharply from 1950\u20131995 and even more from 1995\u20132025, reflecting major advances in seeds, fertilizers, biotechnology, and farm management. Overall, the chart illustrates a long-term shift from modest gains to rapid, technology-driven productivity growth in corn production.\" srcset=\"https:\/\/www.agron.iastate.edu\/glsi\/files\/2022\/12\/Mean-Corn-Yields-1866-2025.png 1296w, https:\/\/www.agron.iastate.edu\/glsi\/files\/2022\/12\/Mean-Corn-Yields-1866-2025-300x212.png 300w, https:\/\/www.agron.iastate.edu\/glsi\/files\/2022\/12\/Mean-Corn-Yields-1866-2025-1024x722.png 1024w, https:\/\/www.agron.iastate.edu\/glsi\/files\/2022\/12\/Mean-Corn-Yields-1866-2025-768x542.png 768w\" sizes=\"auto, (max-width: 1296px) 100vw, 1296px\" \/><\/span><\/figure><\/div>\n\n\n<div class=\"paragraph-widget paragraph-widget--text-html\"><div class=\"text-content\">\n<p>This graph illustrates the long-term transformation of U.S. corn production, with each of the three segments representing a distinct era in agricultural history. From 1866 to 1950, yields rose slowly because farming relied heavily on manual labor, animal power, and open\u2011pollinated seed varieties. The modest upward trend during this period reflects incremental improvements, including the introduction of basic mechanization and early fertilizer use.<\/p>\n<\/div><\/div>\n\n<div class=\"paragraph-widget paragraph-widget--text-html\"><div class=\"text-content\">\n<p>The sharp jump beginning around 1950 corresponds to the Green Revolution\u2014a period marked by the widespread adoption of hybrid seeds, synthetic fertilizers, pesticides, and more powerful machinery. This era fundamentally changed how farmers managed crops, and the trend line\u2019s steep slope shows how quickly yields responded.<\/p>\n<\/div><\/div>\n\n<div class=\"paragraph-widget paragraph-widget--text-html\"><div class=\"text-content\">\n<p>The final segment, 1995\u20132025, aligns with the rise of biotechnology, precision agriculture, and data\u2011driven management. Genetically engineered traits, GPS\u2011guided equipment, variable\u2011rate inputs, and improved soil and crop monitoring all contributed to even faster yield gains. The steepest trend line in the graph illustrates how modern technology has accelerated productivity to an unprecedented level, surpassing anything seen in earlier periods.<\/p>\n<\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>This graph illustrates the long-term transformation of U.S. corn production, with each of the three segments representing a distinct era in agricultural history. From 1866 to 1950, yields rose slowly because farming relied heavily on manual labor, animal power, and open\u2011pollinated seed varieties. The modest upward trend during this period reflects incremental improvements, including the [&hellip;]<\/p>\n","protected":false},"author":3216,"featured_media":14576,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"ngg_post_thumbnail":0,"footnotes":""},"categories":[339],"tags":[27,53],"class_list":["post-6490","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cropping-systems","tag-crop-yield","tag-history"],"acf":[],"featured_image_urls_v2":{"full":["https:\/\/www.agron.iastate.edu\/glsi\/files\/2022\/12\/Mean-Corn-Yields-1866-2025.png",1296,914,false],"thumbnail":["https:\/\/www.agron.iastate.edu\/glsi\/files\/2022\/12\/Mean-Corn-Yields-1866-2025-150x150.png",150,150,true],"medium":["https:\/\/www.agron.iastate.edu\/glsi\/files\/2022\/12\/Mean-Corn-Yields-1866-2025-300x212.png",300,212,true],"medium_large":["https:\/\/www.agron.iastate.edu\/glsi\/files\/2022\/12\/Mean-Corn-Yields-1866-2025-768x542.png",768,542,true],"large":["https:\/\/www.agron.iastate.edu\/glsi\/files\/2022\/12\/Mean-Corn-Yields-1866-2025-1024x722.png",1024,722,true],"1536x1536":["https:\/\/www.agron.iastate.edu\/glsi\/files\/2022\/12\/Mean-Corn-Yields-1866-2025.png",1296,914,false],"2048x2048":["https:\/\/www.agron.iastate.edu\/glsi\/files\/2022\/12\/Mean-Corn-Yields-1866-2025.png",1296,914,false]},"post_excerpt_stackable_v2":"<p>This graph illustrates the long-term transformation of U.S. corn production, with each of the three segments representing a distinct era in agricultural history. From 1866 to 1950, yields rose slowly because farming relied heavily on manual labor, animal power, and open\u2011pollinated seed varieties. The modest upward trend during this period reflects incremental improvements, including the introduction of basic mechanization and early fertilizer use. The sharp jump beginning around 1950 corresponds to the Green Revolution\u2014a period marked by the widespread adoption of hybrid seeds, synthetic fertilizers, pesticides, and more powerful machinery. This era fundamentally changed how farmers managed crops, and the&hellip;<\/p>\n","category_list_v2":"<a href=\"https:\/\/www.agron.iastate.edu\/glsi\/category\/cropping-systems\/\" rel=\"category tag\">Cropping Systems<\/a>","author_info_v2":{"name":"Bradley Miller","url":"https:\/\/www.agron.iastate.edu\/glsi\/author\/millerba\/"},"comments_num_v2":"0 comments","yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Average Corn Yields 1866-2025 - Geospatial Laboratory for Soil Informatics<\/title>\n<meta name=\"description\" content=\"Explore average corn yields in bushels per acre in Iowa from 1865 to 2025, highlighting trends in agricultural productivity and advancements in farming techniques.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.agron.iastate.edu\/glsi\/cropping-systems\/average-corn-yields\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Average Corn Yields 1866-2025 - Geospatial Laboratory for Soil Informatics\" \/>\n<meta property=\"og:description\" content=\"Explore average corn yields in bushels per acre in Iowa from 1865 to 2025, highlighting trends in agricultural productivity and advancements in farming techniques.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.agron.iastate.edu\/glsi\/cropping-systems\/average-corn-yields\/\" \/>\n<meta property=\"og:site_name\" content=\"Geospatial Laboratory for Soil Informatics\" \/>\n<meta property=\"article:published_time\" content=\"2022-12-12T18:30:04+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-12-25T16:48:07+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.agron.iastate.edu\/glsi\/files\/2022\/12\/Mean-Corn-Yields-1866-2025.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1296\" \/>\n\t<meta property=\"og:image:height\" content=\"914\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Bradley Miller\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Bradley Miller\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.agron.iastate.edu\\\/glsi\\\/cropping-systems\\\/average-corn-yields\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.agron.iastate.edu\\\/glsi\\\/cropping-systems\\\/average-corn-yields\\\/\"},\"author\":{\"name\":\"Bradley Miller\",\"@id\":\"https:\\\/\\\/www.agron.iastate.edu\\\/glsi\\\/#\\\/schema\\\/person\\\/a96fa0c818314fce5f3928c232490277\"},\"headline\":\"Average Corn Yields 1866-2025\",\"datePublished\":\"2022-12-12T18:30:04+00:00\",\"dateModified\":\"2025-12-25T16:48:07+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.agron.iastate.edu\\\/glsi\\\/cropping-systems\\\/average-corn-yields\\\/\"},\"wordCount\":175,\"publisher\":{\"@id\":\"https:\\\/\\\/www.agron.iastate.edu\\\/glsi\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.agron.iastate.edu\\\/glsi\\\/cropping-systems\\\/average-corn-yields\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.agron.iastate.edu\\\/glsi\\\/files\\\/2022\\\/12\\\/Mean-Corn-Yields-1866-2025.png\",\"keywords\":[\"crop yield\",\"history\"],\"articleSection\":[\"Cropping Systems\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.agron.iastate.edu\\\/glsi\\\/cropping-systems\\\/average-corn-yields\\\/\",\"url\":\"https:\\\/\\\/www.agron.iastate.edu\\\/glsi\\\/cropping-systems\\\/average-corn-yields\\\/\",\"name\":\"Average Corn Yields 1866-2025 - 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