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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Wheeler, H. J. (Homer Jay),
    Edition: Rev.
    Publication info: Washington, U.S. Dept. of Agriculture, Office of Experiment Stations, 1907
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Effect of acids on  Plants  Soil acidity  
  2. By: Wheeler, H. J. (Homer Jay), - United States. Office of Experiment Stations.
    Publication info: Washington, G.P.O, 1904
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Effect of acids on  Plants  Soil acidity