300 dpi: (k9509-1.jpg)
640 pixels wide: (k9509-1.jpg)
![]() Image Number K9509-1 |
Nitrifying bacteria inside these polymer gel pellets remove ammonia from swine wastewater.
Photo by Rob Flynn.
300 dpi: (k9509-1.jpg)
640 pixels wide: (k9509-1.jpg)
![]() Image Number K9509-1 |
Nitrifying bacteria inside these polymer gel pellets remove ammonia from swine wastewater.
Photo by Rob Flynn.