A new early-fall green crop for the Iowa farm garden is the vegetable soybean-comparatively unknown to most Americans but for centuries a chief protein and fat food for Orientals.
Olsen, Anna Margrethe
"Soybeans New Vegetable for Iowa Gardens,"
Farm Science Reporter: Vol. 3
, Article 7.
Available at: https://lib.dr.iastate.edu/farmsciencereporter/vol3/iss2/7