Skip to main content
ARS Home » Office of Communications » Images » Photos » Sep09 » d1464-5


300 dpi: (d1464-5.jpg)
640 pixels wide: (d1464-5.jpg)

Image Number D1464-5

Technician Sue Wise and microbiologist Vince Varel use a gas chromatograph to measure the amount of methane, a greenhouse gas, in manure from cattle fed wet distiller’s grains.

 

Photo by Stephen Ausmus.





Please visit our Image Gallery