Most popular crop per state

"What crop generates the most money in each state? The Department of Agriculture's National Agricultural Statistical Service produces reams of data on such matters, so I figured the question would be easy to answer. But it turned out to be trickier than I thought, because when I pulled the data, I realized that in most states, the biggest crop was one that was used mostly for animal feed. For well over half the states, field corn, soybeans or hay was the crop that generated the most cash in 2012, the latest year for which data are available. Though a small share of some of these crops does eventually get eaten by humans, in the form of things like soy lecithin and high-fructose corn syrup, most of it is fed to animals raised for meat or dairy."

"To get more meaningful results, I decided to strip away those crops that are used largely for animal feed, and focus on crops that people actually eat. I plotted the results on a map, which revealed some surprising trends:"

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