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Filtering by: Subject Soils -- Phosphorus content Remove constraint Subject: Soils -- Phosphorus content Decade 1990-1999 Remove constraint Decade: 1990-1999

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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:

phosphatase activity and available phosphorus in soil AN ABSTRACT OF THE THESIS OF Sheila J. Nelson for the
Measurement of microbial biomass phosphorus in Oregon soils

Creator:

Claycomb, Peter T.

Resource Type:

Masters Thesis

Full Text:

of soil E. 3. Changes in gravimetric water content of field 61 soils during the sampling period. 4a
Effects of organic and inorganic soil amendments of phosphorus sorption

Creator:

Iyamuremye, Faustin

Resource Type:

Dissertation

Full Text:

content. Plant and Soil 112:77-81. Chang, S.C., and M. L. Jackson. 1957. Fractionation of soil phosphorus
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:

matter content and biological activity. These soil were used in a greenhouse study conducted to
Inorganic nitrogen and soil biological dynamics in cover crop systems

Creator:

Kauffman, Susan Muna

Resource Type:

Masters Thesis

Full Text:

degree of Master of Science in Soil Science presented on 4 March 1994 Title: Inorganic Nitrogen and
Transformations of sulfur in wetland rice soils

Creator:

Islam, M. Mujibul

Resource Type:

Dissertation

Full Text:

aerobic flooding cycles. Figure 7.6. Effect of added organic residues on the ester S content in soil
Phosphorus loading in Baker Creek, Oregon

Creator:

Stewart, Scott R.

Resource Type:

Masters Thesis
Genesis of silica-enriched agricultural pans in soils managed under wheat-fallow cropping systems

Creator:

Al-ismaily, Said S.

Resource Type:

Masters Thesis

Full Text:

of Master of Science in Soil Science presented on May 12. 1997. Title: Genesis of Silica-Enriched
The short term temporal and spatial variability of nitrogen and phosphorus in two Oregon Coast Range streams

Creator:

Scherer, Robert A.

Abstract:

High intensity sampling was undertaken to characterize the temporal and spatial variability of oxidized nitrogen (NO3-N + NO2-N), ammonia-nitrogen (NH3-N), total dissolved phosphorus, total unfiltered phosphorus and orthophosphorus (PO4-P) from two adjacent small streams in Western Oregon's Coast Range, Deer Creek (303 ha) and Flynn Creek (203 ha). Deer Creek...

Resource Type:

Masters Thesis
Oregon coastal lake study : phosphorus loading and water quality implications

Creator:

Blair, Michael Stuart

Abstract:

A study of phosphorus loading and water quality implications was conducted for the Oregon coastal lakes. The study was based on existing data for lake total phosphorus concentrations and for watershed land uses. A phosphorus mass-balance model was developed to predict lake total phosphorus concentrations from estimated phosphorus loading from...

Resource Type:

Masters Thesis

Full Text:

LIST OF TABLES Table 2.1: TP Compositions of Rock Types 11 Table 2.2: Total Phosphorus Content of

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Academic Affiliation

Crop and Soil Science23
Forest Science3
Horticulture3
College of Health and Human Performance2
Soil Science2
more Academic Affiliations »

Advisor

Dick, Richard P.8
Christensen, Neil W.3
Warkentin, Benno P.3
Bottomley, Peter J.2
Karow, Russell S.2
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Commencement Year

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Current results range from 1990 to 2000

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Unknown 5

Committee Member

Baham, John4
Hart, John3
Clough, George2
Cromack, Kermit2
Dick, Richard2
more Committee Members »

Creator

Oregon State University. Extension Service5
Huddleston, J. H. (James Herbert), 1942 2
Al Ismaily, Said S.1
Baloch, Dost M.1
Bary, Andy I.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]46

Degree Field

Soil Science20
Crop Science5
Forest Science3
Horticulture3
Environmental Health Management2
more Degree Fields »

Degree Level

Master's32
Doctoral9

Degree Name

Master of Science (M.S.)32
Doctor of Philosophy (Ph.D.)9

File Format

application/pdf1

Language

English [eng]46

License

All rights reserved2

Non-Academic Affiliation

Oregon State University. Graduate School41
Oregon State University. Extension Service5

Peer Reviewed

No36
Yes2

Resource Type

Masters Thesis32
Dissertation9
Technical Report5

Rights Statement

Copyright Not Evaluated43
In Copyright3

Subject

Soils -- Nitrogen content7
Soils -- Pesticide content4
Cover crops -- Oregon3
Groundwater -- Pollution3
Pesticides -- Environmental aspects3
more Subjects »

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