Page Banner

United States Department of Agriculture

Agricultural Research Service


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

Image Number K11947-1

John Jifon, a plant physiologist at Texas A&M University Experiment Station, measures photosynthetic activity of plants sprayed with potassium for comparison to that of nonsprayed plants.

Photo by Peggy Greb.


640 pixels wide: (k11947-1.jpg)




Please visit our Image Gallery

Last Modified: 10/28/2016
Footer Content Back to Top of Page