Corn Production in the Northern Corn Belt: The Tillage X Rotation Interaction

Joe Lauer, Corn Agronomist

The corn-soybean rotation has become dominant in the Corn Belt of the U.S in the last 30-40 years. When compared to other systems like the wheat system of the Middle East and the rice systems of the Far East that have been in place for centuries, it is a relatively new cropping system. Many agronomists are concerned about the sustainability of this system and there is some evidence that with the development of resistant weeds and insects that it might be challenged significantly in the near future.

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