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 Image Number D1233-14 |
At the U.S. National Arboretum in Washington, D.C., agronomist Ben Coffman (left) and botanist Joe Kirkbride inspect a sample of the soybean seeds used to plant soybean specimens in the Power Plants exhibit. Kirkbride gathered the seeds and propagules for the various plantings in the exhibit, and Coffman raised the specimens during the winter in greenhouses.
Photo by Stephen Ausmus.
