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  1. Fertilizer experiments with alfalfa conducted at the United States Yuma Field Station, Bard, Calif., 1919 to 1925
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1926
  2. Department bulletin
    Publication info: Washington, D.C, Supt. of Docs., G.P.O, 1923-1929