Source: FARM DOC DAILY, UNIV. OF ILLINOIS, 5/3/17


Very high U.S average soybean yields that were well above the long-term linear trend values (calculated beginning in 1960) in each of the last three years continues to be somewhat of a puzzle in search of an explanation. One potential explanation for yields being so much higher than the long-term linear trend values is that there has been a shift (higher) in the linear trend in U.S. average yields in recent years. However, we have not yet been able to identify a shift in that trend due to the limited number of observations.

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