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Filtering by: Subject Flowers -- Oregon -- Willamette River Valley -- Identification Remove constraint Subject: Flowers -- Oregon -- Willamette River Valley -- Identification Decade 1990-1999 Remove constraint Decade: 1990-1999 Degree Name Master of Science (M.S.) Remove constraint Degree Name: Master of Science (M.S.)

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Geochemical characteristics of iron-manganese nodules in seasonally-saturated soils of the Willamette Valley, Oregon

Creator:

Seter, Lisa M.

Abstract:

This study was initiated to characterize the distribution of Fe-Mn nodules and to elucidate trends of Fe, Mn, and P relative to the intensity of the annual cycles of reduction and oxidation. Nodules were enriched in Fe, Mn, and P relative to the soil matrix making them an integral part...

Resource Type:

Masters Thesis

Full Text:

seasonally-saturated soils of the Willamette Valley, Oregon AN ABSTRACT OF THE THESIS OF Lisa M. Seter for
Evaluation of soil and plant analyses as components of a nitrogen monitoring program for silage corn

Creator:

Marx, Ernest S.

Resource Type:

Masters Thesis

Full Text:

Willamette Valley of western Oregon during a two year period (1993-1994). Twenty-three of the experiments
Influence of movement corridors on enclosed populations of the gray-tailed vole : do immigrants affect reproduction and dispersal of residents in a patchy environment?

Creator:

Davis-Born, Renee

Abstract:

I monitored demography, movement, and reproductive behavior of gray-tailed voles, Microtus canicaudus, in experimental habitat patches with and without corridors. I tested the hypotheses that reproductive rate, juvenile recruitment, and population size and growth rate would be affected negatively by immigrants that were introduced to resident groups (+ male and...

Resource Type:

Masters Thesis

Full Text:

is the common, grassland, arvicoline species of the Willamette Valley, Oregon. Gray-tailed voles
Population characteristics of exotic plants in a Willamette Valley native prairie

Creator:

Lantz, Lisa E.

Resource Type:

Masters Thesis

Full Text:

Conservancy (1983) to list Willamette Valley prairies as one of the most endangered habitats in Oregon. My
Effect of pruning and training time on yield components and cold hardiness of 'Marion' blackberry

Creator:

Bell, Neil (Neil Charles), 1961-

Abstract:

The effect of primocane removal and training time on yield components and cold hardiness of 'Marion' trailing blackberry was studied. In 1991, primocanes were either not cut, or cut at ground level from plants on a single occasion at one month intervals from late April to late July. Four canes...

Resource Type:

Masters Thesis

Full Text:

Introduction The production of blackberries in Oregon occurs almost exclusively in the Willamette valley
Evaluation of botanical diversity in Oregon vineyards

Creator:

Schonenberger, Patrik M.

Abstract:

Three different ground cover management strategies were compared at the OSU research vineyard near Alpine, Oregon. Botanical diversity was actively increased in two diverse treatments. Another treatment was botanically uniform and contained creeping bentgrass (Agrostis stolonifera). The composition of the vineyard floor vegetation and grapevine performance as affected by the...

Resource Type:

Masters Thesis

Full Text:

Willamette Valley in Oregon were surveyed to establish a list and number of resident (weedy) plant
Aggregation, bulk density, compaction, and water intake responses to winter cover cropping in Willamette Valley vegetable production

Creator:

Buller, Gilbert L.

Abstract:

Many agricultural sustainability issues are related to biological processes which are central to the ecological function of soils. Soil physical properties are the architecture in which these processes are carried out. Cover crops hold promise as one of the techniques which can ameliorate poor soil structure and improve bulk density...

Resource Type:

Masters Thesis
Cavity resources in Oregon white oak and Douglas-fir stands in the mid-Willamette Valley, Oregon

Creator:

Gumtow-Farrior, Daniel L.

Abstract:

Previous studies of bird communities in the mid-Willamette Valley, Oregon, indicated that Oregon white oak (Ouercus garryana) stands supported more cavity-using bird species than sympatric stands of Douglas-fir (Pseudotsuga menziesii). Mature Oregon oak stands are being harvested and few are regenerating. I compared cavity availability for hole-using fauna among 10...

Resource Type:

Masters Thesis
Growth and development of three meadowfoam (Limnanthes spp.) lines

Creator:

Fiez, Timothy E.

Abstract:

Meadowfoam (Limnanthes R. Br. spp.), a source of C₂₀ and C₂₂ fatty acids, is a new industrial oilseed crop adapted to the Willamette Valley of Oregon. Increased oil yield per land area may increase the rate of meadowfoam commercialization. Using two half-sib L. floccosa x L. alba lines, 85-765 and...

Resource Type:

Masters Thesis

Full Text:

of the Willamette Valley of Oregon, the poorly drained "white land", annual ryegrass (Lolium
Producing fiber flax using modern machinery and field retting

Creator:

Kennedy, Ralph C.

Abstract:

Fiber flax (Linum usitatissimum L.) production in the Willamette Valley ended in Oregon around 1957 before newly developed technology and fiber cultivars were available. The purpose of this research was to explore the use of modern methods and new cultivars. Field studies were conducted to evaluate cultivars and optimum cultural...

Resource Type:

Masters Thesis

Full Text:

Willamette Valley ended in Oregon around 1957 before newly developed technology and fiber cultivars were

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Academic Affiliation

Crop and Soil Science6
Horticulture3
Agriculture and Resource Economics2
Botany and Plant Pathology2
Crop Science2
more Academic Affiliations »

Advisor

Huddleston, J. H.2
Wilson, Mark V.2
Wolff, Jerry O.2
Aitken, Salley N.1
Baham, John1
more Advisors »

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 1990 to 2000

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Committee Member

Ingham, Russ2
AliNiazee, M. T.1
Boersma, Larry1
Borman, Michael1
Boucot, Art1
more Committee Members »

Creator

Austin, Will1
Bell, Neil (Neil Charles), 1961 1
Brunkal, Heidi L.1
Buller, Gilbert L.1
Calkin, James D.1
more Creators »

Date

Date range begin – Date range end

Current results range from 1990 to 1999

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Decade

1990-1999[remove]25

Degree Field

Soil Science5
Crop Science3
Horticulture3
Wildlife Science3
Agricultural and Resource Economics2
more Degree Fields »

Degree Level

Master's25

Degree Name

Master of Science (M.S.)[remove]25

File Format

pdf1

Language

English [eng]25

License

All rights reserved3

Non-Academic Affiliation

Oregon State University. Graduate School25

Peer Reviewed

No22

Resource Type

Masters Thesis25

Rights Statement

Copyright Not Evaluated20
In Copyright5

Subject

Fire ecology -- Oregon -- Willamette River Valley2
Microtus -- Dispersal -- Oregon -- Willamette River Valley2
Microtus -- Effect of habitat modification on -- Oregon -- Willamette River Valley2
Agricultural conservation -- Oregon -- Willamette River Valley -- Economic aspects1
Agricultural conservation -- Oregon -- Willamette River Valley -- Evaluation1
more Subjects »

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