Old photograph useful as a tool in precision ag

Collection:: Agricultural Communications Documentation Center (ACDC)
Contributers:: Thomas, Robert (author)
Format:: Journal article
Publication Date:: 2008-02
Published:: USA
Location:: Agricultural Communications Documentation Center, Funk Library, University of Illinois Document Number: C26968
Journal Title:: Prairie Farmer
Journal Title Details:: 180(2) : 32
Subject Term:: conservation, documentation, farming methods, history, photographs, photography, soil conservation, and trends
Notes:: Aerial photographs of farms over time (1939, 1962, 1968 and 1995 in this case example) help reveal reasons for yield variability and help guide farmers in making decisions.

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