You searched for:
Topic
Control
Remove constraint Topic: Control
Topic
Handbooks, manuals, etc
Remove constraint Topic: Handbooks, manuals, etc
Topic
Diseases and pests
Remove constraint Topic: Diseases and pests
Topic
Field crops
Remove constraint Topic: Field crops
Format
Book OR Microfilm
Remove constraint Format: Book <strong class='text-muted constraint-connector'>OR</strong> Microfilm
Publish Date
1994 OR 1996 OR 1997
Remove constraint Publish Date: 1994 <strong class='text-muted constraint-connector'>OR</strong> 1996 <strong class='text-muted constraint-connector'>OR</strong> 1997