Journal or Book Title
Transactions of the ASAE
The soybean was first harvested by combine in 1924 in Illinois. This crop was, in fact, the reason for first introducing the combine East of the Mississippi.
American Society of Agricultural Engineers
December 17, 2012
Quick, Graeme R. and Buchele, Wesley F., "Reducing Combine Gathering Losses in Soybeans" (1974). Agricultural and Biosystems Engineering Publications. 218.