I can analyze the impact of technological changes in Iowa across time and place.
I can explain how Iowa's agriculture has changed over time.

Farming in the past
Horses and Plows
In the 1920's people had to walk behind horses and had to hold the plows straight. They had very small plows and they could not farm at night because it was to dark to see.
Farming in the past
In the 1920s every morning they would have to get up very early and go outside to do chores. For their chores they would have to get eggs from the chickens. They could only pick a few rows of corn at a time. It was a hard job farming.
Farming in the Past
In the past they had to plant the corn 40 inches apart. It took them a long time to harvest mostly until night. But they could not harvest at night because it was to dark. They would have to stop a lot to let the horses drink and eat.
Farming in the Present
Today they use bigger combines that use 8 row heads. In the present we harvest with combines. Combines help people get done faster. You can also combine at night.
Farming in the Present
Now we have tractors and plows that cultivate
the fields. Cultivating is when people take out weeds in their fields. In the past farmers would pull weeds by hand.
Farming in the Present
Today we have big tractors that can plow fields in a few hours. In the olden days farmers had to use horses it took them all day to plow one field.
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I can analyze the impact of technological changes in Iowa across time and place.
I can explain how Iowa's agriculture has changed over time.

Farming in the past
Horses and Plows
In the 1920's people had to walk behind horses and had to hold the plows straight. They had very small plows and they could not farm at night because it was to dark to see.
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