300 dpi: (k5844-1.jpg)
640 pixels wide: (K5844-1.jpg)
![]() Image Number K5844-1 |
By sprinkling on a mild formaldehyde solution, soil scientist Bill Edwards brings worms to the soil surface so they can be counted.
Photo by Bruce Zake
300 dpi: (k5844-1.jpg)
640 pixels wide: (K5844-1.jpg)
![]() Image Number K5844-1 |
By sprinkling on a mild formaldehyde solution, soil scientist Bill Edwards brings worms to the soil surface so they can be counted.
Photo by Bruce Zake