Soybeans and cowpeas in Illinois
Burlison, W.L., Allyn, O.M.
Soybeans and cowpeas in Illinois - Urbana 1917 - 1-20 p. - Soybeans Illinsois Agricultural Experiment Sttion. Bulletin No. 198 .
Soybeans and cowpeas in Illinois - Urbana 1917 - 1-20 p. - Soybeans Illinsois Agricultural Experiment Sttion. Bulletin No. 198 .