Yazar
robert w jugenheimer
12 cilt bulundu.
Robert W. Jugenheimer · Creative Media Partners, LLC
32 sayfa · 1956
Corn / Field experiments / Hybrid corn
Robert W. Jugenheimer · University of Illinois, Agricultural Experiment Station
44 sayfa · 1958
Corn / Field experiments / Varieties
Robert W. Jugenheimer · R.E. Krieger Pub. Co.
794 sayfa · 1976
Breeding / Corn / Hybrid corn / Seeds / Utilization
Robert W. Jugenheimer · Creative Media Partners, LLC
32 sayfa · 1955
Corn / Field experiments / Hybrid corn
Robert W. Jugenheimer · University of Illinois, Agricultural Experiment Station
46 sayfa · 1959
Corn / Field experiments / Varieties
Robert W. Jugenheimer · University of Illinois, Agricultural Experiment Station
48 sayfa · 1960
Corn / Field experiments / Varieties
Robert W. Jugenheimer · University of Illinois Agricultural Experiment Station
29 sayfa · 1957
Corn / Field experiments / Varieties
Robert W. Jugenheimer · University of Illinois Agricultural Experiment Station
400 sayfa · 1947
Corn / Varieties / Hybrid corn
Robert W. Jugenheimer · University of Illinois Agricultural Experiment Station
23 sayfa · 1954
Corn / Field experiments / Hybrid corn
Robert W. Jugenheimer · University of Illinois Agricultural Experiment Station
544 sayfa · 1950
Corn / Field experiments / Hybrid corn
Robert W. Jugenheimer · University of Illinois Agricultural Experiment Station
404 sayfa · 1952
Corn / Field experiments / Hybrid corn