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Filtering by: Subject Soils -- Oregon -- Willamette River Valley Remove constraint Subject: Soils -- Oregon -- Willamette River Valley

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

Creator:

Floyd, Richard

Resource Type:

Masters Thesis
Groundsurfaces and soils in the Willamette Valley, Oregon

Creator:

Beattie, John Alfred

Resource Type:

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

Creator:

Andersen, Jimmie Lee

Abstract:

The purpose of this study was to make a preliminary investigation of the productivity of some of the soils within the Willamette catena under different systems of soil management. The study was carried out at four experimental sites near Corvallis, Oregon, during the 1962 growing season. The soil at each...

Resource Type:

Masters Thesis
Water loss and uptake in clayey subsoil materials

Creator:

Stannard, Davis Robertson

Abstract:

B and C horizon samples from twenty four selected profiles along a north-south transect in the Willamette Valley were examined for possible correlation between shrinkage properties and kind of clay minerals present. Observations of linear shrinkage, weight loss from a condition of maximum plasticity, and changing character of X-ray diffraction...

Resource Type:

Masters Thesis
Iron and manganese distribution and seasonal oxidation changes in soils of the Willamette drainage sequence

Creator:

Somera, Rosa Duro

Abstract:

This study was conducted to investigate the differences of the profile distribution of free iron and free manganese and the reduction-oxidation changes in soils of the Willamette drainage sequence. Based on the results of the chemical analyses, free iron and free manganese distributions in these soils were governed to a...

Resource Type:

Masters Thesis
Septic-tank drainfield performance in five Willamette Valley soils

Creator:

Wert, Stephen R.

Abstract:

Permeability, effects of age, and water table fluctuations were studied for nine drainfields in five soil types ranging from well to poorly drained. Three sites were in Willamette, one in Woodburn, two in Amity, two in Concord, and one in Dayton soils. Before permeability of drainfields could be evaluated, methods...

Resource Type:

Masters Thesis
Extraction and plant availability of cadmium and zinc in a Willamette sandy loam soil

Creator:

Halvorson, Gary Alfred

Abstract:

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. Cadmium was added as CdC1₂ at rates of 0, 5, 20, or 80...

Resource Type:

Dissertation
Liming requirement of selected Willamette Valley soils

Creator:

Peterson, Paul William

Abstract:

There are two major problems associated with soil acidity and lime response investigations: A. Determining how much lime (100% "available" CaCO₃ equivalent) is required to raise a soil pH (or degree of acidity) from its existing level to a specified level - presumably where need for lime is eliminated. B....

Resource Type:

Masters Thesis
A test of the differentiation of soil series within the Willamette catena

Creator:

Pomerening, James A.

Resource Type:

Dissertation
Agricultural productivity ratings for soils of the Willamette Valley

Creator:

Oregon State University. Extension Service and Huddleston, J. H. (James Herbert), 1942-

Abstract:

Published October 1982. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog

Resource Type:

Technical Report

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Academic Affiliation

Soils8
Crop and Soil Science1
Soil Science1

Advisor

Knox, Ellis G.3
Simonson, G. H.2
Dawson, Murray D.1
Evans, D. D.1
Huddleston, J. H.1
more Advisors »

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 1958 to 2012

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Unknown 6

Committee Member

Boersma, L.1
Cassidy, James1
Castle, E. N.1
Cummings, J. C.1
Dugger, Bruce1
more Committee Members »

Creator

Powers, W. L. (Wilbur Louis), 18874
Oregon State Agricultural College. Agricultural Experiment Station3
Ruzek, C. V. (Charles Vladis), 1887 19683
Andersen, Jimmie Lee1
Austin, Will1
more Creators »

Date

Date range begin – Date range end

Current results range from 1928 to 2011

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Decade

2010-20191
1990-19991
1980-19891
1970-19792
1960-19697
1950-19591
1930-19392
1920-19292

Degree Field

Soils8
Soil Science2
Environmental Sciences1

Degree Level

Master's8
Doctoral3

Degree Name

Master of Science (M.S.)8
Doctor of Philosophy (Ph.D.)3

File Format

application/pdf1

Language

English [eng]17

License

All rights reserved1

Non-Academic Affiliation

Oregon State University. Graduate School11
Oregon State University. Agricultural Experiment Station4
Oregon State University. Extension Service1

Peer Reviewed

No11
Yes2

Resource Type

Masters Thesis8
Technical Report6
Dissertation3

Rights Statement

Copyright Not Evaluated14
No Copyright - United States2
In Copyright1

Subject

Soils -- Oregon -- Willamette River Valley[remove]17
Agricultural productivity -- Oregon -- Willamette River Valley1
Corn -- Oregon -- Willamette River Valley1
Drainage1
Endemic plants -- Oregon -- Willamette River Valley1
more Subjects »

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