Engineering Innovation Podcast and Radio Series

True Tractor Tracks

PostedFebruary 18, 2005

Download File (mp3)

High-tech farming is taking off.  Today's field work is, more and more, directed from space.  GPS might help you with driving directions, but it's now bringing military precision to farmers' seeding, fertilizing, and harvesting.  David Bevly, a mechanical engineer at Auburn University, says GPS precisely guides automated steering of tractors, even in the dark—no more erratic lines that waste seeds and chemicals.  That lets farmers concentrate on other details, and Bevly says the added efficiency could eventually make your food cheaper.  With the National Academy of Engineering, Randy Atkins, WTOP Radio.