The Soybean Botany, Production and Uses by Guriqbal Singh
The protein content in soybean (Glycine max (L.) Merrill) seed is approximately
40% and the oil content is approximately 20%. This crop has the
highest protein content and the highest gross output of vegetable oil among
the cultivated crops in the world. In 2007, the total cultivated area of
soybean in the world was 90.19 million ha and the total production was
220.5 million t (FAO, 2009).