The Cullars Rotation agricultural experiment, established in 1911 to test the effects of fertility treatments on agricultural production, was named to the National Register of Historic Places in 2003.
Cullars Historic Marker
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THE CULLARS ROTATION
(Established 1911)
The Cullars Rotation is the oldest, continuous soil fertility study in the South and the second oldest cotton study in the world. It was started in 1911 by the Alabama Agricultural Experiment Station on the farm of J. A. Cullars and John P. Alvis. In 1938, the “Alvis Field” was sold to Alabama Polytechnic Institute which became Auburn University in 1960. The experiment consists of 14 soil fertility variables in three blocks that are rotated with cotton followed by a winter legume, corn followed by wheat, and soybeans planted after wheat.
National Register of Historic Places, April 19, 2003
ERECTED BY THE HISTORIC CHATTAHOOCHEE COMMISSION AND THE AUBURN HERITAGE ASSOCIATION, 2006
Courtesy of the Alabama Agricultural Experiment Station, Auburn University, Auburn, Alabama
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