Soybean, Glycine max, is an important annual crop throughout much of the temperate regions of the world but especially in the United States, which leads the world in soybean production, followed by Br...Soybean, Glycine max, is an important annual crop throughout much of the temperate regions of the world but especially in the United States, which leads the world in soybean production, followed by Brazil and Argentina. Much of the U.S. production is exported. Soybean is particular notable because of the many ways it is used. It is eaten fresh and dry. The seeds can be processed to yield soy oil or to make soy milk (produced by grinding soy seeds in water, producing an emulsion of protein & oil.