300 dpi: (d2610-1.jpg)
640 pixels wide: (d2610-1.jpg)
![]() Image Number D2610-1 |
Soil scientist Virginia Jin samples greenhouse gas emissions from switchgrass in a long-term study of soil carbon sequestration.
Photo by Peggy Greb.
300 dpi: (d2610-1.jpg)
640 pixels wide: (d2610-1.jpg)
![]() Image Number D2610-1 |
Soil scientist Virginia Jin samples greenhouse gas emissions from switchgrass in a long-term study of soil carbon sequestration.
Photo by Peggy Greb.