1. Fehr, W. R. and Trimble. 1982.Minimizing soybean yield loss from iron deficiency chlorosis, Pm‐1059, Coop. Ext. Serv. 6Iowa State Univ.
2. Randall, G. W. 1977.Iron chlorosis in soybeans, Dept. Soil Sci. Soils Ser. Vol. 95, 124–127. St. Paul, MN: Univ. Minn.
3. Mason, H. L., Fehr, W. R., Bahrenfus, J. B. and Voss, B. K. 1982.Iowa soybean yield test report, 27Iowa State Univ. Coop Ext. Serv. AG‐18–2
4. Anonymous. 1982.Varietal trials of farm crops (Soybean, 1983 Edition, Minnesota Report 24 19–27. St. Paul, MN: Minn. Agr. Expt. Sta.
5. Control of iron‐deficiency chlorosis in soybeans by plant breeding