Subject
- Atmospheric carbon dioxide1
- Barley -- Genetics1
- Crops -- Effect of atmospheric carbon dioxide on1
- Crops and water -- Oregon1
- Food -- Protein content1
- Fungi -- Spores -- Mathematical models1
- Haploidy1
- Hop downy mildew fungus -- Genetic aspects -- Mathematical models1
- Hops -- Disease and pest resistance -- Mathematical models1
- Hops -- Genetics -- Mathematical models1
- Irrigation scheduling -- Oregon1
- Nitrogen fertilizers -- Oregon1
- Plant genetic engineering1
- Plants, Effect of nitrogen on -- Oregon1
- Red clover -- Oregon -- Water requirements1
- Red clover -- Oregon -- Yields1
- Rice1
- Rice -- Breeding1
- Rice -- Genetics1
- Soils -- Oregon -- Nitrogen content1