Soy bean. Two inoculated plants on the right, two uninoculated plants on the left. This is the first example of artificial inoculation of legumes done in the Bureau of Plant Industry, September 1897. Japanese soy bean soil was imported by Mr. D.G. Fairchild and sown in drills of newly cleared, sandy pine land at Woodwardville, Md. by M.B. Waite with checks untreated. Inoculated plants averaged 25 tubercles per plant, uninoculated one to two tubercles. Waite.

Unknown. “Soy bean. Two inoculated plants on the right, two uninoculated plants on the left. This is the first example of artificial inoculation of legumes done in the Bureau of Plant Industry, September 1897. Japanese soy bean soil was imported by Mr. D.G. Fairchild and sown in drills of newly cleared, sandy pine land at Woodwardville, Md. by M.B. Waite with checks untreated. Inoculated plants averaged 25 tubercles per plant, uninoculated one to two tubercles. Waite..” Special Collections, USDA National Agricultural Library. Accessed April 25, 2024, https://www.nal.usda.gov/exhibits/speccoll/items/show/291.