Fertilizer Experiments with Alfalfa Conducted at the United States Yuma Field Station, Bard, Calif., 1919 to 1925 by H. L. Westover and Edward G. Noble, U.S. Department of Agriculture (1926)

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Fertilizer Experiments with Alfalfa Conducted at the United States Yuma Field Station, Bard, Calif., 1919 to 1925 H. L. Westover and Edward G. Noble, U.S. Department of Agriculture (1926)