Agricultural Communications Documentation Center, Funk Library, University of Illinois Document Number: D08625
Notes:
Located in Review of Extension Studies, volumes for 1946-1956, U.S. Department of Agriculture, Washington, D.C., Summary of thesis for a doctor of philosophy degree, Iowa State College, Ames. 100 pages.
Agricultural Communications Documentation Center, Funk Library, University of Illinois Box: 173 Document Number: C29304
Notes:
Presented to the Midwest Sociological Society. 12 pages., "It is believed that this is the first time these five stages of diffusion (awareness, information, evaluation, trial and adoption) have been tested empirically." Involves use of 2,4-D herbicide for field weed control.
