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.
 Image Number K9032-16 |
A wheat cover crop (foreground) planted around young apple trees (background). Nutrients leaking from wheat roots can bolster populations of beneficial bacteria that help keep apple replant pathogens at bay.
Photo by Brian Prechtel.
