SCOTT BAUER / US DEPARTMENT OF AGRICULTURE / SCIENCE PHOTO LIBRARY SCOTT BAUER / US DEPARTMENT OF AGRICULTURE / SCIENCE PHOTO LIBRARY
Editorial use only.
Biological control research. Plant pathologist examining fungi that might be used in the biological control of weeds. Biological control is the use of natural predators and parasites to kill unwanted species. It reduces the quantities of chemical pesticides used on crops. This research was performed for the United States Department of Agriculture.
Model release not available. Property release not required.