- What was the statewide average corn yield from 2018?
- How does this statewide average corn yield compare with the statewide average yield in 1928 to 1932? Make a graph to show the comparison.
- 2018 was a drought year for some parts of Iowa. Use evidence from the map to predict which parts of Iowa received less rain and hotter temperatures.
"Corn for Grain Yield – Iowa: 2018," National Agricultural Statistics Service, United States Department of Agriculture (USDA), 2018. Courtesy of USDA