The featured chart presents the weekly corn crop harvest progress by year for Iowa based on USDA NASS data. The percentage of Iowa corn crop acres harvested for a given week is shown by the individual bars. The largest weekly percentage each year is denoted on the y-axis labels. There is a misconception that since farmers have much faster and higher capacity equipment than ever before, that the harvest progresses faster than 10-30 years ago. While the farmers can go faster, they are running more acres per farmer each year with the associated decrease in number of farmers farming! Qualitatively, the plot nicely shows the biggest harvest weeks happening during October.

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Tags:   nass