Subject
- Contingent valuation2
- Agricultural chemicals -- Environmental aspects -- Oregon -- Willamette River Valley1
- Agricultural conservation -- Oregon -- Willamette River Valley -- Economic aspects1
- Agricultural conservation -- Oregon -- Willamette River Valley -- Evaluation1
- Agricultural credit1
- Agricultural pollution -- Oregon -- Willamette River Valley1
- Agricultural productivity1
- Agriculture -- Decision-making1
- Agriculture -- Economic aspects1
- Agriculture -- Oregon -- Willamette River Valley1
- Agriculture and state -- Environmental aspects -- Oregon -- Willamette River Valley1
- Agriculture, Cooperative1
- Agriculture, Cooperative -- Korea1
- Agriculture, Cooperative -- Oregon -- Econometric models1
- Anadromous fishes -- Oregon -- Effect of habitat modification on1
- Beef cattle -- Alberta -- Marketing -- Safety measures1
- Beef cattle -- Economic aspects -- Oregon1
- Beef cattle -- Feeding and feeds -- Economic aspects -- Alberta1
- Beef cattle -- United States1
- Beef industry -- Government policy -- Japan1