Search Constraints

Start Over
Filtering by: Creator Anderson, Lain Remove constraint Creator: Anderson, Lain Academic Affiliation Soil Science Remove constraint Academic Affiliation: Soil Science Subject Nitrogen fertilizers Remove constraint Subject: Nitrogen fertilizers

Search Results

  • 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:
    managed more carefully. The experimental site was located on a strip of land that had lain fallow the