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United States Department of Agriculture

Agricultural Research Service


item Mitchell, C
item Delaney, D
item Balkcom, Kipling

Submitted to: Agricultural Experiment Station Publication
Publication Type: Experiment Station
Publication Acceptance Date: 5/1/2005
Publication Date: 5/1/2005
Citation: Mitchell, C.C., Delaney, D.P., Balkcom, K.S. 2005. The old rotation, 2005. In: Lawrence, K. s., Monks, C.D., Delaney, D. P., editors. 2005 Cotton Research Report, Alabama Agricultral Experiment, Research Report No. 28.

Interpretive Summary:

Technical Abstract: The Old Rotation (circa 1896) is the oldest, continuous cotton experiment in the world. Its 13 plots on 1 acre of land on the campus of Auburn University continue to document the long-term effects of crop rotations with and without winter legumes (crimson clover) as a source of nitrogen for cotton, corn, soybean, and wheat. This is the third year that irrigation on the Old Rotation could be compared with non-irrigated plots. A very wet growing season resulted in no apparent yield increase due to irrigation for corn and cotton. A very dry fall did result in a soybean yield response to irrigation.

Last Modified: 10/17/2017
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