National Association of Farm Broadcasters Archives, University of Illinois. NAFB Publications Series No. 8/3/90. Box No. 6. Contact http://www.library.uiuc.edu/ahx/ or Documentation Center, Reports for NAFB or about Farm Broadcasting, 1967-84.
In 1980, the top 10 agricultural advertisers spent about $37 million in farm magazines to reach American farmers. Magazines are a basic tool of agrimarketers, but broadcast media receive an increasing share of advertising dollars.