Historical Corn Yields by County The average corn yields for counties and

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1 File A1-12 March Historical Corn Yields by County The average corn yields for counties and areas in Iowa are included in this file. Averages from 26 through 215 are included in the tables and graphs. This information is helpful for seeing trends in yields over the past 1 years. Counties are sorted alphabetically by district. The information presented in this file is from the Iowa Office of USDA National Agricultural Statistics Service. Table 1. Northwest district average corn yields, (bu./acre) Corn Yields Avg. Buena Vista Cherokee Clay Dickinson Emmet Lyon O'Brien Osceola Palo Alto Plymouth Pocahontas Sioux Northwest Figure 1. Northwest district average corn yields, Ann Johanns extension program specialist , aholste@iastate.edu Source:

2 Page 2 File A1-12 Table 2. North Central district average corn yields, (bu./acre) Corn Yields Avg. Butler Cerro Gordo Floyd Franklin Hancock Humboldt Kossuth Mitchell Winnebago Worth Wright North Central Figure 2. North Central district average corn yields,

3 File A1-12 Page 3 Table 3. Northeast district average corn yields, (bu./acre) Corn Yields Avg. Allamakee Black Hawk Bremer Buchanan Chickasaw Clayton Delaware Dubuque Fayette Howard Winneshiek Northeast Figure 3. Northeast district average corn yields,

4 Page 4 File A1-12 Table 4. West Central district average corn yields, (bu./acre) Corn Yields Avg. Audubon Calhoun Carroll Crawford Greene Guthrie Harrison Ida Monona Sac Shelby Woodbury West Central Figure 4. West Central district average corn yields,

5 File A1-12 Page 5 Table 5. Central district average corn yields, (bu./acre) Corn Yields Avg. Boone Dallas Grundy Hamilton Hardin Jasper Marshall Polk Poweshiek Story Tama Webster Central Central District, Average Corn Yields: Figure 5. Central district average corn yields,

6 Page 6 File A1-12 Table 6. East Central district average corn yields, (bu./acre) Corn Yields Avg. Benton Cedar Clinton Iowa Jackson Johnson Jones Linn Muscatine Scott East Central Figure 6. East Central district average corn yields,

7 File A1-12 Page 7 Table 7. Southwest district average corn yields, (bu./acre) Corn Yields Avg. Adair Adams Cass Fremont Mills * Montgomery Page Pottawattamie Taylor * Southwest * 215 yields were not disclosed for Mills or Taylor counties. USDA NASS value reported for "Other Counties" is used. Figure 7. Southwest district average corn yields,

8 Page 8 File A1-12 Table 8. South Central district average corn yields, (bu./acre) Corn Yields Avg. Appanoose Clarke Decatur Lucas Madison Marion Monroe * Ringgold Union * Warren Wayne South Central * 215 yields were not disclosed for Monroe or Union counties. USDA NASS value reported for "Other Counties" is used. Figure 8. South Central district average corn yields,

9 File A1-12 Page 9 Table 9. Southeast district average corn yields, (bu./acre) Corn Yields Avg. Davis Des Moines Henry Jefferson Keokuk Lee Louisa Mahaska Van Buren Wapello Washington D9 Southeast Figure 9. Southeast district average corn yields,

10 Page 1 File A1-12 Table 1. District average corn yields, (bu./acre) Corn Yields Avg. Northwest North Central Northeast West Central Central East Central Southwest South Central Southeast State Total Figure 1. State average corn yields, and justice for all The U.S. Department of Agriculture (USDA) prohibits discrimination in all its programs and activities on the basis of race, color, national origin, gender, religion, age, disability, political beliefs, sexual orientation, and marital or family status. (Not all prohibited bases apply to all programs.) Many materials can be made available in alternative formats for ADA clients. To file a complaint of discrimination, write USDA, Office of Civil Rights, Room 326-W, Whitten Building, 14th and Independence Avenue, SW, Washington, DC or call Issued in furtherance of Cooperative Extension work, Acts of May 8 and July 3, 1914, in cooperation with the U.S. Department of Agriculture. Cathann A. Kress, director, Cooperative Extension Service, Iowa State University of Science and Technology, Ames, Iowa.