URBANA, Ill. — The National Agricultural Statistical Service (NASS) recently released 2016 county yields for both corn and soybeans. In this article, maps are produced showing actual 2016 yields minus 2016 trend yields. Examination of these maps shows areas of above trend and below trend yields for 2016. Areas of above trend yields will have higher 2016 incomes relative to those areas with below trend yields.
Individual county trend yields are calculated using data from 1972 through 2016. A linear line is fit through these yields using ordinary least squares. The 2016 trend yields were based on these linearly fit relationships.
The following maps report actual minus trend yields. By calculating trend yields, the inherent productivity of the farmland is taken into consideration, and actual yields are stated relative to that productivity.
Schnitkey reports those areas with above trend yields will have relatively higher incomes than those areas with below trend yields. In 2016, lower grain farm incomes will be more pronounced in the eastern corn belt and particularly in Indiana and Ohio.
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— Todd E. Gleason, Farm Broadcaster
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