Subject
- Agricultural pests -- Control -- Congresses2,100
- Oregon State University -- Curricula279
- 4-H clubs122
- Pears -- Diseases and pests122
- Apples -- Diseases and pests120
- Codling moth -- Control95
- Insecticides -- Research88
- Machine learning47
- Herbicides46
- Microreactors45
- Weeds -- Control45
- Pesticides -- Application -- Oregon -- Willamette River Valley41
- Spraying and dusting in agriculture -- Oregon -- Willamette River Valley41
- Pear psylla -- Control40
- Microfluidics39
- Agricultural experiment stations -- Research -- Oregon -- Jackson County37
- Agriculture -- Oregon -- Jackson County -- Field experiments37
- Entomology37
- Forest management -- Congresses37
- Hill farming -- Congresses37