Performance of Experimental Corn Hybrids in Illinois, 1957
Dog Problems
Factors Influencing Lodging in Corn... by Benjamin Koehler, G. H. Duncan, and J. R. Holbert
Prairie : a New Soft Winter Wheat for Illinois, by O. T. Bonnett, C. M. Woodworth, G. H. Dungan and Benjamin Koehler
Experimental Corn Hybrids 1950 Tests, by L. F. Bauman, R. W. Jugenheimer, C. M. Woodworth, D. E. Alexander, Benjamin Koehler
Chemical-dust Seed Treatments for Dent Corn, by J. R. Holbert,... G. S. Reddy,... and Benjamin Koehler,...
Circular
Illinois Hybrid Corn Tests, 1943[-1944], by G. H. Dungan, J. H. Bigger, A. L. Lang, Oren Bolin and Benjamin Koehler
Corn Diseases in Illinois
Illinois Hybrid Corn Tests 1945
IBM MobileFirst Strategy Software Approach
The Cultivation of Corn
Illinois Corn Performance Tests 1938, by G. H. Dungan, A. L. Lang, J. H. Bigger, Benjamin Koehler and Oren Bolin
Soybean Diseases and Their Control
Circular
Practical Uses of Rope on the Farm
Relation of Soil Moisture to Seedling Blight of Wheat Caused by Gibberella Saubinetii
Protection of Grain Crop Demands Barberry Eradiction... by Gordon C. Curran and Benjamin Koehler...
1952 Illinois Corn Tests. Variety Performance, Seed Treatment, Rate of Planting [by] (J. W. Pendleton, G. H. Dungan, Benjamin Koehler, J. H. Bigger, A. L. Lang, and P. E. Johnson).