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Soils of the Oregon coastal fog belt in relation to the proposed "Andisol" order

Creator:: Badayos, Rodrigo Briones
Abstract:: A study was conducted to evaluate the properties of soils in the fog belt area of the Oregon Coast Range. Soils in the study were chosen to include only those belonging to Andepts or to andic subgroups. Samples were collected from eleven sites that were formed mostly from colluvial deposits...
Resource Type:: Dissertation
Full Text:: Coast Range. Soils in the study were chosen to include only those belonging to Andepts or to andic

Distribution, form, and signigicance of plant opal in Oregon soils

Creator:: Norgren, Joel A.
Abstract:: This study was undertaken to increase knowledge of opal phytoliths in plants and soils of Oregon, and thus encourage further use of phytoliths in future pedologic investigations. Content of plant opal in needles from ten common Oregon conifer species ranged from 0.2 to 7.9%. Western larch (Larix occidentalis) contained the...
Resource Type:: Dissertation
Full Text:: ) Part 15 of this range in size distribution was due to difference in plant species and part to

Infiltration, soil erosion, nitrogen loss and soil profile characteristics of Oregon lands occupied by three subspecies of Artemisia tridentata

Creator:: Swanson, Sherman R.
Abstract:: Infiltration, soil erosion, nitrogen loss and soil profile characteristics were measured on 36 sites representing land occupied by Artemisia tridentata ssp. tridentate, wyomingensis, and vaseyana. Infiltration, soil erosion, and nitrogen loss were strongly correlated but highly variable. Soil loss, but not infiltration or nitrogen loss was significantly different between subspecies....
Resource Type:: Dissertation
Full Text:: factors with infiltration rate during the last 15 minutes. CHAPTER II 1 Total soil loss on big sagebrush

Cation retention and solute transport related to porosity of pumiceous soils

Creator:: Doak, William Herman, 1941-
Abstract:: Previous studies of pumiceous soils in Oregon indicated that their physical and chemical properties were strongly related to the porous nature of the pumice matrix. Soils developed on air-fall pumice from the eruption of Mt. Mazama (Crater Lake, Oregon) had low thermal conductivities and low volumetric heat capacities. Values for...
Resource Type:: Dissertation
Full Text:: resulting effective diffusivities were in the range of those for the bulk solutions. Miscible displacement

Nature of interlayer material in silicate clays of selected Oregon soils

Creator:: Singleton, P. C.
Abstract:: A study was conducted to investigate the nature of hydroxy interlayers in the chlorite-like intergrade clays of three Oregon soils with respect to kind, amount, stability, and conditions of formation. The clays of the Hembre, Wren, and Lookout soils, selected to represent weathering products originating from basaltic materials under humid,...
Resource Type:: Dissertation
Full Text:: the materials intimately asso- ciated with them. The treatments, chosen to represent a range of

Optimum and critical concentrations of boron in Oregon soils

Creator:: Jordan, James Verdun
Resource Type:: Dissertation
Full Text:: 13 Analytical Procedures 14 Field Experiments 15 Table I 16 Greenhouse Experiments 19 Table II

Vegetation-soil relationships in some Artemisia types in northern Harney and Lake Counties, Oregon

Creator:: Eckert, Richard Edgar
Resource Type:: Dissertation
Full Text:: PHILOSOPHY June 1957 APPROVED: Associate Professor 9 Range Management In Charge of Major Head of

Site quality of western hemlock and chemical characteristics of some western Oregon andic soils

Creator:: Meurisse, Robert Thomas
Resource Type:: Dissertation
Full Text:: Range. This would seem to be adequate time for plant species adapted to the present climatic conditions

Water and anion movement in selected soils of western Oregon

Creator:: Hammermeister, Dale P.
Abstract:: Experiments were carried out to study the movement of water and halide anions in perched water tables or saturated zones in the soil and upper rock mantle of eight different experimental sites located on low hills near the western border of the Willamette Valley. At each site the experimental procedure...
Resource Type:: Dissertation
Full Text:: 5 5 5 6 6 7 8 9 9 10 12 12 14 15 16 17 19 21 21 23 23 23 2.23. Some Major Mobile

Potassium release from several western Oregon soils and its relationship to crop growth and soil mineralogy

Creator:: Gardner, Ernest Hugh
Resource Type:: Dissertation
Full Text:: . . . . . . . . . . 8]. Correlations between the chemical methods used to extract K and plant response to K

ScholarsArchive@OSU

Soils of the Oregon coastal fog belt in relation to the proposed "Andisol" order

Distribution, form, and signigicance of plant opal in Oregon soils

Infiltration, soil erosion, nitrogen loss and soil profile characteristics of Oregon lands occupied by three subspecies of Artemisia tridentata

Cation retention and solute transport related to porosity of pumiceous soils

Nature of interlayer material in silicate clays of selected Oregon soils

Optimum and critical concentrations of boron in Oregon soils

Vegetation-soil relationships in some Artemisia types in northern Harney and Lake Counties, Oregon

Site quality of western hemlock and chemical characteristics of some western Oregon andic soils

Water and anion movement in selected soils of western Oregon

Potassium release from several western Oregon soils and its relationship to crop growth and soil mineralogy

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