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  1. By: Oyarzún, Carlos E. - Godoy Bórquez, Roberto Eduardo, - Leiva, Sergio
    Type: Article
    In: Revista chilena de historia natural
    Date: 2002-03-01
    Subjects: agricultura-ganadería  Bosque templado lluvioso  depositación  NH4+  NO3-  Nothofagus  química del agua