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Filtering by: Advisor Dick, Richard P. Remove constraint Advisor: Dick, Richard P. Committee Member Bottomley, Peter Remove constraint Committee Member: Bottomley, Peter

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Sulfur oxidation and rhodanese activity in soils

Creator:

Deng, Shiping

Resource Type:

Masters Thesis

Full Text:

: Redacted for privacy Richard P. Dick Elemental S (S°) is an economical source of sulfur fertilizer but
Field management effects on the thermal stability and activity of soil enzymes in whole soil and aggregates

Creator:

Bandick, Anna Katrina

Resource Type:

Masters Thesis

Full Text:

approved: Richard P. Dick Activities of 11 enzymes were measured on samples collected from two
Determinants of microbial community structure and substrate utilization potential in soils of vegetable cropping systems

Creator:

Schutter, Mary E.

Abstract:

The Oregon Long-Term Soil Quality Project was initiated to identify soil properties that respond rapidly to alternative management practices. Such practices included winter cover cropping, which was implemented at two experimental research stations and several grower fields throughout the Willamette Valley. The goal of this thesis was to identify the...

Resource Type:

Dissertation

Full Text:

approved: Richard P. Dick The Oregon Long-Term Soil Quality Project was initiated to identify soil
The Biogeochemistry of nitrogen and phosphorus cycling in native shrub ecosystems in Senegal

Creator:

Dossa, Ekw'e Lokossou, 1960-

Abstract:

Two native shrub species (Piliostigma reticulatum and Guiera senegalensis) are prominent vegetation components in farmers’ fields in Senegal. However, their role in nutrient cycling and ecosystem function has largely been overlooked. A study including both laboratory and field experiments was conducted to evaluate potential biophysical interactions of the two shrub...

Resource Type:

Dissertation

Full Text:

Abstract approved: Richard P. Dick Two native shrub species (Piliostigma reticulatum and Guiera
Fatty acid profiling of soil microbial communities : a comparison of extraction methods and temporal dynamics in plant residue amended soils

Creator:

Fernandes, Marcelo Ferreira

Abstract:

A method based on fatty acid (FA) analysis is used to profile microbial community structure (MCS). Various extraction protocols are available, which alter the types of FAs extracted from soils. The more time consuming but widely used protocol extracts only FAs from phospholipids (PLFA). This technique is desirable because PLFAs...

Resource Type:

Dissertation

Full Text:

. Abstract approved: Richard P. Dick

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Academic Affiliation

Crop and Soil Science4
Soil Science1

Advisor

Dick, Richard P.5

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 1990 to 2007

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Committee Member

Bottomley, Peter[remove]5
Myrold, David2
Baham, John1
Clough, George1
Compton, Jana E.1
more Committee Members »

Creator

Bandick, Anna Katrina1
Deng, Shiping1
Dossa, Ekw'e Lokossou, 1960 1
Fernandes, Marcelo Ferreira1
Schutter, Mary E.1

Date

Date range begin – Date range end

Current results range from 1990 to 2006

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Decade

2000-20093
1990-19992

Degree Field

Soil Science5

Degree Level

Doctoral3
Master's2

Degree Name

Doctor of Philosophy (Ph.D.)3
Master of Science (M.S.)2

File Format

application/pdf2

Language

English [eng]5

License

All rights reserved2

Non-Academic Affiliation

Oregon State University. Graduate School5

Peer Reviewed

No4

Resource Type

Dissertation3
Masters Thesis2

Rights Statement

Copyright Not Evaluated3
In Copyright2

Subject

Bauhinia reticulata -- Senegal1
Cover crops -- Environmental aspects -- Oregon -- Willamette River Valley1
Crops -- Nutrition -- Senegal1
Enzymes1
Fatty acids -- Analysis1
more Subjects »

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