Sanborn Field: Effect of 100 Years of Cropping on Soil Parameters Influencing Productivity

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Abstract
Sanborn Field, on the University of Missouri campus at Columbia, was established as the Rotation Field by Dean J. W. Sanborn in the fall of 1888. His original plan called for demonstration of the value of 206manure and crop rotation in retarding the loss of soil productivity due to cropping land formerly in tall grass prairie. The field was renamed Sanborn Field in 1924 by the University Board of Curators. Sanborn wrote that the field was designed to show the value of various rotations; of constant tillage crops on soil fertility; of chemicals fed according to crop analysis to the necessity of rotation; and of various crops unmanured to soil fertility, etc.; etc. 1

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