Subject
- Agriculture -- Oregon -- Statistics455
- Farm produce -- Oregon -- Statistics454
- Agricultural estimating and reporting -- Oregon19
- Farm buildings7
- Agriculture -- Economic aspects -- Oregon4
- Farm buildings -- Heating and ventilation4
- Farm management -- Oregon4
- Farm produce -- Oregon -- Marketing4
- Agriculture -- Research -- On-farm3
- Agriculture -- Research -- Oregon3
- Agriculture -- Research -- Washington (State)3
- Farm buildings -- Design and construction3
- Farm income -- Oregon -- Willamette River Valley3
- Farm management -- Oregon -- Case studies3
- Farm management -- Washington (State) -- Case studies3
- Farm produce -- Oregon3
- Farms -- Oregon3
- Livestock -- Housing -- Heating and ventilation3
- Agriculture -- Economic aspects2
- Agriculture -- Economic aspects -- Oregon -- Jefferson County2