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Filtering by: Creator Dick, R. P. Remove constraint Creator: Dick, R. P. Language English [eng] Remove constraint Language: English [eng] Rights Statement Copyright Not Evaluated Remove constraint Rights Statement: Copyright Not Evaluated

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Soil quality dynamics in an integrated reduced-tillage and cover-cropped vegetable agroecosystem

Creator:

Banners, Candace R.

Abstract:

Soil response and function were investigated following the adoption of an integrated reduced-tillage and cover-cropped vegetable system in the Willamette Valley of Western Oregon. The experiment was conducted over three cropping seasons (2002-2004) at the Oregon State University Vegetable Research Farm (Corvallis, OR). The design was a randomized complete-block with...

Resource Type:

Masters Thesis

Full Text:

Integrated Reduced-Tillage and Cover-Cropped Vegetable Agroecosystem Abstract approved: Richard P. Dick
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:

) METHODS FOR CHARACTERIZING MICROBIAL COMMUNITIES M. E. Schutter and R. P. Dick Prepared for Soil
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:

: 783-788. Dick, R. P. 1992. A review: long-term effects of agricultural systems on soil biochemical
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
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
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 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
Influence of cropping and sulfur fertilization on sulfur transformations in soil

Creator:

Castellano, Steven D.

Abstract:

A 2-year field study was conducted on the effects of two sulfur fertilizers (calcium sulfate or elemental S, 0 or 50 kg S ha⁻¹ yr⁻¹) on the distribution of sulfur fractions (inorganic sulfate, C-bonded, ester sulfate, and residual S), arylsulfatase enzyme activity, and microbial biomass carbon (C) and sulfur (S)...

Resource Type:

Masters Thesis

Full Text:

Fertilization on Sulfur Transformations in Soil. Abstract approved: Redacted for Privacy Richard P. Dick A
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:

activity. Soil Biology & Biochemistry 14:423-27. Dick, R. P. (1994) Soil Enzyme Activities as Indicators
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

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Academic Affiliation

Chemistry1,158
College of Forestry814
Fisheries and Wildlife569
School of Education539
Botany and Plant Pathology476
more Academic Affiliations »

Advisor

Cox, George B.116
Kronstad, Warren E.84
Clinton, R. J.73
Appleby, Arnold P.72
Bogart, Ralph72
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Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 1929 to 2018

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Unknown 14,327

Committee Member

Thomas, David50
Sugawara, Alan46
Gathercoal, Forrest42
Wood, Carvel41
Thomas, David R.33
more Committee Members »

Conference Name

International Institute of Fisheries Economics & Trade894
Western Dry Kiln Association153
North American Association of Fisheries Economists46
Pacific Northwest Vegetable Insect Conference16
Western Orchard Pest and Disease Management Conference12
more Conference Names »

Conference Section/Track

7
Mites & Sap-Sucking Pests3
Pome Fruits3
Foliage & Seed Feeding Pests2
Soil Arthropods2
more Conference Section/Tracks »

Creator

Oregon State University. Extension Service1,160
Forest Products Laboratory (U.S.)1,081
Oregon State University. Agricultural Experiment Station860
Oregon. State Game Commission330
Oregon State College. Agricultural Experiment Station329
more Creators »

Contributor

Hall, Jim21
Wells, Gail19
Brown, George13
Ralston, A. T.11
Kennick, Walter H.10
more Contributors »

Date

Date range begin – Date range end

Current results range from 1929 to 2023

View distribution

Unknown 13

Decade

2020-202923
2010-20193,273
2000-20093,165
1990-19994,506
1980-19894,155
1970-19794,655
1960-19693,997
1950-19592,543
1940-19491,641
1930-19391,197
more Decade »

Degree Field

Education1,100
Chemistry1,079
Oceanography538
Electrical and Computer Engineering474
Mechanical Engineering450
more Degree Fields »

Degree Level

Master's8,745
Doctoral5,800
Bachelor's523

Degree Name

Master of Science (M.S.)8,230
Doctor of Philosophy (Ph.D.)5,356
Doctor of Education (Ed.D.)444
Bachelor of Science (B.S.)389
Master of Arts (M.A.)303
more Degree Names »

File Format

application/pdf3,673
pdf120
application/msword14
application/vnd.ms-powerpoint5
application/pdfm1
more File Formats »

Funding Body

The research upon which this publication is based was supported by funds provided by the United States Department of Interior, Office of Water Resources Research, as authorized under the Water Resources Research Act of 1964.1
The research upon which this report is based was financed in part by the U.S. Department of the Interior, Washington, D.C., under the Mt. St. Helens Research and Development Program.1

Language

English [eng][remove]29,239
French [fre]4
Spanish; Castilian [spa]2
Icelandic [ice]1

License

Public Domain Mark 1.01

Location

Oregon, Oregon, United States, (Administrative Boundary)5
Willamette River, Oregon, United States, (Hydrographic)3
Alsea River, Oregon, United States, (Hydrographic)2
Willamette Valley, Oregon, United States, (Hypsographic)2
Alsea Bay, Oregon, United States, (Hydrographic)1
more Locations »

Non-Academic Affiliation

Oregon State University. Graduate School14,481
Oregon State University. Agricultural Experiment Station2,024
Oregon State University. Extension Service1,168
Oregon. Department of Fish and Wildlife640
Oregon Explorer327
more Non-Academic Affiliations »

Peer Reviewed

No17,818
Yes4,708

Resource Type

Masters Thesis8,690
Technical Report6,203
Dissertation5,800
Article4,187
Other1,338
more Resource Types »

Rights Statement

Copyright Not Evaluated[remove]29,239

Subject

Fisheries -- Economic aspects -- Congresses451
Agriculture -- Oregon -- Statistics438
Farm produce -- Oregon -- Statistics435
Fisheries -- Oregon343
Sustainable fisheries -- Congresses327
more Subjects »

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