Subject
- Irrigation farming11
- Irrigation -- Oregon9
- Irrigation -- Oregon -- Willamette River Valley6
- Irrigation -- Oregon, Eastern -- Management4
- Organic farming -- Oregon4
- Soil moisture -- Oregon, Eastern -- Measurement4
- Vegetable gardening -- Oregon4
- Agriculture -- Economic aspects -- Oregon -- Jefferson County3
- Dairy farming -- Economic aspects -- Oregon3
- Irrigation farming -- Economic aspects -- Oregon -- Jefferson County3
- Agriculture -- Research -- Lower Columbia River Valley (Or. and Wash.)2
- Agriculture -- Research -- Lower Columbia River Valley (Or. and Wash.) -- Periodicals2
- Beans -- Irrigation2
- Beans -- Quality2
- Blackberries -- Weed control -- Oregon2
- Columbia Basin Agricultural Research Center -- Periodicals2
- Crops -- Research -- Lower Columbia River Valley (Or. and Wash.)2
- Crops -- Research -- Lower Columbia River Valley (Or. and Wash.) -- Periodicals2
- Dairy farming -- Oregon2
- Dry farming -- Economic aspects -- Oregon -- Wasco County2