Biological control research

Biological control research

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Credit: SCOTT BAUER/US DEPARTMENT OF AGRICULTURE/SCIENCE PHOTO LIBRARY

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Caption: 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.

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