Page Banner

United States Department of Agriculture

Agricultural Research Service

Download a high-resolution (300dpi) digital image here

Image Number K10851-1

Technician Chris Clegg prepares samples for nitrogen gas analysis to estimate denitrification rates. During denitrification, microbes remove nitrate from shallow groundwater.

Photo by Peggy Greb.

640 pixels wide: (k10851-1.jpg)

Please visit our Image Gallery

Last Modified: 8/13/2016
Footer Content Back to Top of Page