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November 2005 Archives

A Look at Minnesota Corn Yields over Time

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Dale R. Hicks
Agronomy and Plant Genetics
University of Minnesota

Corn yields in Minnesota have been excellent for the past few years and have exceeded the expectations based on weather and growing conditions during the growing seasons. Whole field yields during the past three years have exceeded 200 bushels per acre for many growers in the central to southern regions of the state. As a result, we may begin to wonder if these high yields are now normal and should we expect them in the future or have they been blips on the yield profile? It may not be very accurate to use the past to predict the future, but it is one method to look forward to corn yields of the next few years. That's the objective of this paper.

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