![The Discovery Files show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/014/590/small/the-discovery-files.jpg)
Summary: A University of Illinois agricultural engineer believes it may be possible to "teach" corn to provide its own nitrogen, thus eliminating the need for farmers to add expensive nitrogen fertilizers to the soil.
Summary: A University of Illinois agricultural engineer believes it may be possible to "teach" corn to provide its own nitrogen, thus eliminating the need for farmers to add expensive nitrogen fertilizers to the soil.