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Work of the United States Dry-Land Field Station, Ardmore, S. Dak., 1912 to 1925
Cole, John S., (1927)
The Hohenheim System in the Management of Permanent Pastures for Dairy Cattle
Woodward, T. E., (1938)
Methods of Making Potato Silage and Tests of Its Feeding Value For Dairy Cows
Shepherd, J. B., (1946)