Showing 1 - 3 results of 3 for search '"fertilizer"', query time: 0.08s Refine Results
  1. 1

    <<The>> role of oxidation in soil fertility / by Schreiner, Oswald

    Published 1909
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  2. 2

    Some factors influencing soil fertility / by Schreiner, Oswald

    Published 1907
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  3. 3

    Certain organic constituents of soils in relation to soil fertility / by Schreiner, Oswald

    Published 1907
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