Page Banner

United States Department of Agriculture

Agricultural Research Service

Image Number D2819-1

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

Image Number D2819-1

Hydrologist Carl Bolster prepares a soil sample to determine soil phosphorus concentration, an important input parameter to the APLE model.


Photo by Mike Bryant.

640 pixels wide: (d2819-1.jpg)

Please visit our Image Gallery
Last Modified: 3/27/2013
Footer Content Back to Top of Page