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  • Deep soil nitrogen survey, Lower Umatilla Basin, Oregon

    Creator:
    del Nero, Zachary Augustus
    Abstract:
    Soils of 49 agricultural and 2 "native condition" sites in the Lower Umatilla Basin, Oregon were sampled for nitrate-nitrogen, ammonium-nitrogen, chloride, and pH beginning in Fall of 1992. Several sites were sampled in Spring and Fall 1993 in order to indicate movement or loss of residual soil nitrogen over time....
    Resource Type:
    Masters Thesis
    Full Text:
    Deep soil nitrogen survey, Lower Umatilla Basin, Oregon AN