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  1. 1

    Humic matter in soil and the environment principles and controversies מאת Tan, Kim H. 1926-

    יצא לאור 2014
    ספר

    Humic matter in soil and the environment principles and controversies
  2. 2

    Studies on the absorption of the active component of herbadox /N-(1-Ethylpropyl)-2, 6-Dintro-3, 4-Xylidine/ on soil humic acids מאת Miraflor, Noel L.

    ספר

    Studies on the absorption of the active component of herbadox /N-(1-Ethylpropyl)-2, 6-Dintro-3, 4-Xylidine/ on soil humic acids

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