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Creator
- Oregon State University. Agricultural Experiment Station 52
Topic
- Oregon Agricultural College. Experiment Station 52
- Plants, Cultivated--Field experiments 25
- Sulfur fertilizers 24
- Oregon State Agricultural College. Agricultural Experiment Station 12
- Nitrogen fertilizers 5
- Oregon Agricultural College 4
- Hens 3
- Knowlton, Frank L. (Frank Lester), 1894-1940 3
- Potassium fertilizers 3
- Poultry 3
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Region
- Oregon >> United States 34
- Burns >> Harney County >> Oregon >> United States 4
- Corvallis >> Benton County >> Oregon >> United States 4
- Union >> Union County >> Oregon >> United States 4
- Pendleton >> Umatilla County >> Oregon >> United States 2
- Steens Mountain >> Harney County >> Oregon >> United States 2
- Jackson County >> Oregon >> United States 1
Format
- image/tiff 52
Institution
- Oregon State University 52