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Filtering by: Advisor Dick, Richard P. Remove constraint Advisor: Dick, Richard P. Academic Affiliation Crop and Soil Science Remove constraint Academic Affiliation: Crop and Soil Science

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The influence of phosphatase-producing bacteria on phosphatase activity and available phosphorus in soil

Creator:

Nelson, Sheila J.

Resource Type:

Masters Thesis

Full Text:

Abstract approved: Richard P. Dick Phosphorus (P) is frequently a limiting soil nutrient because it is
Effects of long-term residue management and nitrogen fertilization on availability and profile distribution of nitrogen, phosphorus, and sulfur

Creator:

Christ, Robert A.

Resource Type:

Masters Thesis

Full Text:

approved:/ Richard P. Dick A greenhouse pot study was conducted on soils from the Residue Utilization
Soil biological indices and nitrogen availability during a simulated transition from inorganic to organic sources of nitrogen

Creator:

Fauci, Mary F.

Resource Type:

Masters Thesis

Full Text:

Inorganic to Organic Sources of Nitrogen Redacted for Privacy Abstract approved: Richard P. Dick Long
Inorganic nitrogen and soil biological dynamics in cover crop systems

Creator:

Kauffman, Susan Muna

Resource Type:

Masters Thesis

Full Text:

Soil Biological Dynamics in Cover Crop Systems Abstract approved: Richard P. Dick Potential leaching
Transformations of sulfur in wetland rice soils

Creator:

Islam, M. Mujibul

Resource Type:

Dissertation

Full Text:

: Richard P. Dick In recent years sulfur (S) deficiency has emerged as constraint to rice production in
Effects of organic and inorganic soil amendments of phosphorus sorption

Creator:

Iyamuremye, Faustin

Resource Type:

Dissertation

Full Text:

or} Phosphorus Sorption Abstract approved: Richard P. Dick The effect of different rates of
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
Winter cover cropping effects on integrative biological indicators of soil quality

Creator:

Ndiaye, Evelyne L.

Abstract:

Responses of biological indicators of soil quality to winter cover cropping were measured on soil samples collected from 6 commercial growers' fields and two experiment research stations in the Willamette Valley of Oregon. The research stations were the North Willamette Research and Extension Center (Aurora, OR), and the Oregon State...

Resource Type:

Masters Thesis

Full Text:

Integrative Biological Indicators of Soil Quality Abstract approved: Richard P. Dick Responses of
Nitrate leaching and model evaluation under winter cover crops

Creator:

Minshew, Hudson F.

Resource Type:

Masters Thesis

Full Text:

Model Evaluation under Winter Cover Crops Abstract approved: Richard P. Dick Winter cover crops hold
Cover crops and biochemical functional diversity in relation to nitrogen availability in soil

Creator:

Burket, John Zimmerman

Abstract:

Nitrogen availability in agricultural soils from fertilizer, plant residue inputs, and soil organic matter has important implications beyond crop yield. Legume winter cover crops and one fourth the recommended N rate on sweet corn resulted in yields equivalent to those at the recommended rate in the Willamette Valley of western...

Resource Type:

Dissertation

Full Text:

: Richard P. Dick Nitrogen availability in agricultural soils from fertilizer, plant residue inputs, and

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Academic Affiliation

Crop and Soil Science[remove]19

Advisor

Dick, Richard P.19

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 1992 to 2007

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Committee Member

Bottomley, Peter4
Myrold, David3
Baham, John1
Bedell, Tom1
Boersma, Larry1
more Committee Members »

Creator

Bandick, Anna Katrina1
Banners, Candace R.1
Burket, John Zimmerman1
Cespedes Leon, Maria Cecilia1
Christ, Robert A.1
more Creators »

Date

Date range begin – Date range end

Current results range from 1991 to 2007

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Decade

2000-20099
1990-199910

Degree Field

Soil Science19

Degree Level

Master's11
Doctoral8

Degree Name

Master of Science (M.S.)11
Doctor of Philosophy (Ph.D.)8

File Format

application/pdf3

Language

English [eng]19

License

All rights reserved7

Non-Academic Affiliation

Oregon State University. Graduate School19

Peer Reviewed

No16

Resource Type

Masters Thesis11
Dissertation8

Rights Statement

Copyright Not Evaluated10
In Copyright9

Subject

Nutrient cycles -- Senegal2
Shrubs -- Ecology -- Senegal2
Soil biology2
Soil management -- Oregon2
Soils -- Quality2
more Subjects »

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