300 dpi: (k8330-2.jpg)
640 pixels wide: (k8330-2.jpg)
![]() Image Number K8330-2 |
In a long-term no-till experiment, soil scientists Clyde Douglas and Paul Rasmussen use a recording penetrometer to collect soil strength measurements.
Photo by Scott Bauer.
300 dpi: (k8330-2.jpg)
640 pixels wide: (k8330-2.jpg)
![]() Image Number K8330-2 |
In a long-term no-till experiment, soil scientists Clyde Douglas and Paul Rasmussen use a recording penetrometer to collect soil strength measurements.
Photo by Scott Bauer.