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Filtering by: Subject Peppermint -- Fertilizers -- Oregon -- Willamette River Valley Remove constraint Subject: Peppermint -- Fertilizers -- Oregon -- Willamette River Valley Advisor Christensen, Neil W. Remove constraint Advisor: Christensen, Neil W. Decade 1980-1989 Remove constraint Decade: 1980-1989

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  • Fertilizer nitrogen use efficiency by winter wheat in the Willamette Valley

    Creator:
    Kjelgren, Roger Keith
    Abstract:
    Efficiency of nitrogen fertilizer uptake by soft white winter wheat (Triticum aestivum L.) was measured over two cropping seasons across a range of soils and cropping histories in the Willamette Valley. Fate and potential losses of applied nitrogen were also assessed over a seventeen month period. In both cropping seasons,...
    Resource Type:
    Masters Thesis
    Full Text:
    , can contribute to improved N fertilizer recommendations for wheat in the Willamette Valley