 Image Number D2611-1 |
Switchgrass (right) and no-till corn growing in Nebraska in a soil carbon sequestration study that has been in progress since 1998.
Photo by Peggy Greb.
An official website of the United States government
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.