by William C. Bailey
School of Agriculture Western Illinois University

Each spring, it is a real pleasure to see corn poking out of the ground. We all can anticipate the harvest that will follow in the fall, but seeing the thin green lines of corn across the fields provides a clear indication that summer is on the way. And, if you are like me, you notice some of the rows of tiny corn plants are perfectly, and impressively, straight while other rows tend to wander a bit. The straight rows were probably planted by farmers using sophisticated global positioning systems (GPS) while the more traditional rows were not.

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