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 D2248-2 |
At an experimental site near Bakersfield, California, a tractor injects fumigants 46 centimeters deep into the soil while technician Qiaoping Zhang walks along the field and places boundary markers to identify the area of treated soil. Gas samples will be taken to determine fumigant emission rates in the field.
Photo by Scott Yates.
