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      Knowledge is Power

      Scientific American February 1926

      Shall We Throw Away our Soil?

      The Soil Is Our Most Valuable Asset. Are We Treating It Right?

      • By Hugh Hammond Bennett on February 1, 1926

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      More in the February 1926 issue of Scientific American
      • Electrical Research Applied to the Phonograph
      • Inventions New and Interesting, February 1926
      • Patents Recently Issued, February 1926
      View Full Contents
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