Yazar
George Harlan Dungan
27 cilt bulundu.
George Harlan Dungan · University of Illinois Agricultural Experiment Station in cooperation with the Division of Cereal Crops and Diseases, Bureau of Plant Industry, U.S. Dept. of Agriculture, and the Illinois State Natural History Survey
340 sayfa · 1936
Corn / Field experiments / Varieties
George Harlan Dungan · University of Illinois Agricultural Experiment Station
281 sayfa · 1926
Corn / Seeds / Wounds and injuries / Diseases and pests
George Harlan Dungan · University of Illinois Agricultural Experiment Station
583 sayfa · 1927
Corn / Varieties
George Harlan Dungan · University of Illinois Agricultural Experiment Station
596 sayfa · 1942
Barley / Varieties
George Harlan Dungan · University of Illinois Agricultural Experiment Station
471 sayfa · 1942
Oats / Varieties / Field experiments
George Harlan Dungan · University of Illinois Agricultural Experiment Station
546 sayfa · 1942
Wheat / Varieties
George Harlan Dungan · University of Illinois Agricultural Experiment Station
52 sayfa · 1927
Barley / Varieties
George Harlan Dungan · University of Illinois Agricultural Experiment Station, in cooperation with the Division of Cereal Crops and Diseases, Bureau of Plant Industry, U.S. Dept. of Agriculture, and the Illinois State Natural History Survey
395 sayfa · 1938
Corn / Field experiments / Varieties
George Harlan Dungan · University of Illinois Agricultural Experiment Station in cooperation with the Division of Cereal Crops and Diseases, Bureau of Plant Industry, U.S. Dept. of Agriculture, and the Illinois State Natural History Survey
271 sayfa · 1939
Corn / Field experiments / Varieties
George Harlan Dungan · University of Illinois Agricultural Experiment Station, in cooperation with Illinois State Natural History Survey
483 sayfa · 1945
Corn / Field experiments / Hybrid corn
George Harlan Dungan · University of Illinois Agricultural Experiment Station, in cooperation with Illinois State Natural History Survey
256 sayfa · 1946
Corn / Field experiments / Hybrid corn
George Harlan Dungan · University of Illinois Agricultural Experiment Station, in cooperation with Division of Cereal Crops and Diseases, Bureau of Plant Industry, U.S. Dept. of Agriculture, and Illinois State Natural History Survey
123 sayfa · 1944
Corn / Field experiments / Hybrid corn
George Harlan Dungan · University of Illinois Agricultural Experiment Station, in cooperation with Illinois State Natural History Survey
370 sayfa · 1947
Corn / Field experiments / Hybrid corn
George Harlan Dungan · University of Illinois Agricultural Experiment Station
50 sayfa · 1929
Varieties / Oats
George Harlan 1887- Dungan, W L (William Leonidas) 1 Burlison · Creative Media Partners, LLC
28 sayfa · 2021
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W. B. (William Barbour) 1885- Nevens, George Harlan 1887- Dungan · Creative Media Partners, LLC
Sayfa sayısı yok · 2021
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George Harlan 1887- Dungan, W. L. (William Leonidas) 1 Burlison · Creative Media Partners, LLC
Sayfa sayısı yok · 2021
Kategori yok