Clark soybeans for Indiana /
Probst, A. H.(Albert Henry),1912-author.
Purdue University.Agricultural Experiment Station.
U.S. Regional Soybean Laboratory.
Caption title.
"May 1955."
In cooperation with U.S. Regional Soybean Laboratory, Field crop Research Branch, Agricultural Research Service, U.S. Department of Agriculture, Washington, D.C.
Soybean
Soybean.