Both corn and soybean yields were exceptional in 2017, with the national corn yield being the highest ever and the national soybean yield being the second highest. Recently released county yields from the National Agricultural Statistical Service (NASS) show that many areas of the country had very high yields. For corn, many counties averaged over 200 bushels per acre in a stretch of counties beginning in central Illinois and going through southern Minnesota. For soybeans, many counties averaged over 60 bushels per acre.
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