Page Banner

United States Department of Agriculture

Agricultural Research Service

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

Dairy cows.

Image Number K5785-14

To preserve the nitrogen content of manure for fertilizer, Agricultural Research Service dairy scientists are helping farmers to choose the right feeds for cows and are developing tests to analyze for manure nutrients.

Photo by Keith Weller

640 pixels wide: (k5785-14.jpg)

Please visit our Image Gallery

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