Historical Corn Yields by County - Iowa State University Extension and ...

File A1-12. Table 2. North Central district average corn yields, 2007-2016 (bu./acre). Corn Yields. 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 Avg.
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File A1-12 March 2017 www.extension.iastate.edu/agdm

Historical Corn Yields by County

T

he average corn yields for counties and areas in Iowa are included in this file. Averages from 2007 through 2016 are included in the tables and graphs. This information is helpful for seeing trends in

yields over the past 10 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, 2007-2016 (bu./acre) Corn Yields 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 Avg. Buena Vista 163 179 192 178 180 148 161 172 203 201 178 Cherokee 167 196 203 187 177 159 185 184 210 220 189 Clay 164 175 185 178 185 170 167 166 203 202 180 Dickinson 166 168 186 181 169 161 162 158 195 188 173 Emmet 176 168 191 183 170 167 166 165 203 199 179 Lyon 164 190 194 195 185 162 191 173 196 207 186 O Brien 168 195 199 191 185 160 195 180 205 211 189 Osceola 171 175 195 193 184 170 182 175 205 204 185 Palo Alto 171 176 189 174 175 171 169 165 198 196 178 Plymouth 151 191 202 185 165 110 189 187 204 209 179 Pocahontas 167 178 191 173 181 165 164 175 206 207 181 Sioux 157 195 203 197 178 143 194 187 202 212 187 Northwest 164 184 195 185 178 155 179 175 203 206 182

Yield (bu./acre)

Figure 1. Northwest district average corn yields, 2007-2016 220 200 180 160 140 120 100 80 60 40 20 0 2007

2008

2009

2010

2011

2012

2013

2014

2015

2016

Year

D10, NW

Ann Johanns extension program specialist 641-732-5574, [email protected]

Source: www.nass.usda.gov/Statistics_by_State/Iowa/

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Table 2. North Central district average corn yields, 2007-2016 (bu./acre) Corn Yields 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 Avg. Butler 176 175 183 181 187 122 179 168 193 207 177 Cerro Gordo 173 166 171 173 169 125 163 168 197 194 170 Floyd 170 171 175 178 181 123 170 163 197 196 172 Franklin 177 167 168 168 190 150 180 166 200 205 177 Hancock 179 171 179 177 180 143 170 174 201 200 177 Humboldt 178 172 192 153 186 146 155 177 195 206 176 Kossuth 179 171 193 184 180 165 168 177 199 205 182 Mitchell 174 174 178 191 180 131 164 175 202 199 177 Winnebago 186 177 181 184 177 161 149 173 204 198 179 Worth 175 171 182 193 173 143 151 182 202 192 176 Wright 182 164 180 150 190 154 169 169 198 200 176 North Central 177 170 181 176 181 144 167 172 199 201 177

Yield (bu./acre)

Figure 2. North Central district average corn yields, 2007-2016 220 200 180 160 140 120 100 80 60 40 20 0 2007

2008

2009

2010

2011

2012

Year

D20, NC

2013

2014

2015

2016

File A1-12

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Table 3. Northeast district average corn yields, 2007-2016 (bu./acre) Corn Yields 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 Avg. Allamakee 167 170 180 176 173 154 162 176 175 205 174 Black Hawk 177 165 174 170 186 126 166 165 193 206 173 Bremer 181 161 190 175 197 133 175 159 203 211 178 Buchanan 174 167 171 168 187 140 169 169 192 206 174 Chickasaw 169 159 170 182 189 126 172 158 203 207 173 Clayton 174 171 173 177 187 153 181 177 193 210 180 Delaware 180 159 177 176 187 130 185 175 196 202 177 Dubuque 182 158 185 170 185 149 196 185 197 212 182 Fayette 171 167 159 167 187 151 181 171 192 203 175 Howard 170 164 171 191 186 138 159 164 202 202 175 Winneshiek 174 171 172 191 186 141 182 174 186 211 179 Northeast 175 165 174 176 187 140 177 170 194 207 176

Yield (bu./acre)

Figure 3. Northeast district average corn yields, 2007-2016 220 200 180 160 140 120 100 80 60 40 20 0 2007

2008

2009

2010