Soils

Soils

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  1. Liming requirement of selected Willamette Valley soils

    There are two major problems associated with soil acidity and

  2. Iron and manganese distribution and seasonal oxidation changes in soils of the Willamette drainage sequence

    This study was conducted to investigate the differences of the

  3. Extraction and plant availability of cadmium and zinc in a Willamette sandy loam soil

    A Willamette sandy shot loam was treated with ZnC1₂, CdC1₂, or sewage sludge to determine the chemical fate of added Cd and Zn in the soil and their influence on the growth of corn and wheat seedlings....

  4. Groundsurfaces and soils in the Willamette Valley, Oregon

  5. Response of field corn to irrigation, plant population, and nitrogen on soils of the Willamette catena

    The purpose of this study was to make a preliminary

  6. Duration of saturation and redox potentials in selected Willamette Valley soils

  7. A test of the differentiation of soil series within the Willamette catena

  8. Drainage studies on Dayton, Amity, and Willamette soils in the Willamette Valley, Oregon

  9. Septic-tank drainfield performance in five Willamette Valley soils

    Permeability, effects of age, and water table fluctuations were

  10. Water loss and uptake in clayey subsoil materials

    B and C horizon samples from twenty four selected profiles along

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