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Filtering by: Contributor advisor sim Young, J. Lowell

Ammonium and ammonia fixation in some Oregon soils

Creator:

Cattani, Ray August

Resource Type:

Masters Thesis
The electrochromatographic behavior of some layer-silicate minerals

Creator:

McNeal, Brian Lester, 1938-

Resource Type:

Masters Thesis
Increases in exchangeable potassium upon drying of soils and clays

Creator:

Carter, D. L. (David L.), 1933-

Resource Type:

Dissertation
Effects of lime and VA-Mycorrhiza interactions on growth responses of sweetgum seedlings

Creator:

Davis, Elizabeth Anne

Abstract:

A study, consisting of two sequential greenhouse experiments, was designed to determine the effects of soil liming upon the fungal partner in a mycorrhizal association. A Willamette Valley foothill soil, of the Jory series, was limed in increments to achieve a range of acidity and alkalinity. The P-deficiency and P-fixing...

Resource Type:

Masters Thesis
Interaction of selected herbicides with soil constituents

Creator:

El-Madhun, Yousef Abdel Wahab

Abstract:

The behavior of six herbicides in soil was studied under controlled laboratory conditions. Sorption of bromacil, chiorotoluron and diuron was assessed by the batch equilibration procedure over a broad range of aqueous phase sorbate concentration. Linear equilibrium sorption constants (K[subscript p]) were slightly higher at 4° C than at 25°...

Resource Type:

Dissertation