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Filtering by: Subject Soils -- Phosphorus content -- Oregon, Eastern Remove constraint Subject: Soils -- Phosphorus content -- Oregon, Eastern

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Environmental constraints on the use of anion exchange membranes in dryland wheat

Creator:

Redman, Andrea Elizabeth

Abstract:

Lack of growing season precipitation and the temperate climate in north central Oregon pose challenges to growing spring wheat crops. Phosphate and sulfate fertilization can improve early growth of spring wheat in this region and soil testing aids in determining rates of fertilization. In this study, anion exchange membranes (AEM)...

Resource Type:

Masters Thesis
Phosphorus availability in biosolids-amended soils

Creator:

Choate, Jeff

Abstract:

Quantifying labile phosphorus (P) pools in biosolids is needed to manage biosolids for both agronomic and environmental purposes. Phosphorus indices originated in an effort to protect surface water quality from-non-point-agricultural P inputs. The objectives of this research were to: (1) evaluate soil test components of the western Oregon P index...

Resource Type:

Masters Thesis

Full Text:

of Master of Science in Soil Science presented on June 20, 2003. Title: Phosphorus Availability in
Availability of phosphorus in central Oregon soils in comparison with selected Oregon soils

Creator:

Araos, Jose Fernando

Abstract:

The objectives of this study were to evaluate and compare the availability of native and applied P in Central Oregon pumice soils with that in Willamette valley soils and calcareous soils from Eastern Oregon. The experimental work to meet these objectives included laboratory and greenhouse studies. The removal of P...

Resource Type:

Masters Thesis

Full Text:

Availability of phosphorus in central Oregon soils in
Measurement of microbial biomass phosphorus in Oregon soils

Creator:

Claycomb, Peter T.

Resource Type:

Masters Thesis

Full Text:

Measurement of microbial biomass phosphorus in Oregon
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
Interactions between nitrogen, phosphorus, and molybdenum in forest soils and cyanobacterial lichen in the Oregon Coast Range

Creator:

Marks, Jade A.

Abstract:

Molybdenum is an essential component of biogeochemical cycling, most notably as a component of the nitrogenase enzyme used in biological nitrogen (N) fixation. While the important role of phosphorus (P) in limiting N fixation in ecosystems has been well documented, occurrence and prevalence of molybdenum (Mo) limitation is largely unknown....

Resource Type:

Masters Thesis

Full Text:

Page 2.1: Soil chemistry, carbon and nitrogen content, of twenty-four sites across the Oregon

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Academic Affiliation

Crop and Soil Science5
Botany and Plant Pathology1
Soils1

Advisor

Bottomley, Peter J.1
Dick, Richard P.1
Jackson, T. L.1
Mccune, Bruce1
Pett Ridge, Julie1
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Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 1969 to 2015

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Committee Member

Christensen, Neil1
Hart, John1
Kleber, Markus1
Lachenbruch, Barbara1
Mallory-Smith, Carol1
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Creator

Araos, Jose Fernando1
Choate, Jeff1
Claycomb, Peter T.1
Iyamuremye, Faustin1
Marks, Jade A.1
more Creators »

Date

Date range begin – Date range end

Current results range from 1968 to 2014

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Decade

2010-20191
2000-20092
1990-19992
1960-19691

Degree Field

Soil Science4
Botany and Plant Pathology1
Crop and Soil Science1
Soils1

Degree Level

Master's5
Doctoral1

Degree Name

Master of Science (M.S.)5
Doctor of Philosophy (Ph.D.)1

Language

English [eng]6

License

All rights reserved2

Non-Academic Affiliation

Oregon State University. Graduate School6

Peer Reviewed

No5

Resource Type

Masters Thesis5
Dissertation1

Rights Statement

Copyright Not Evaluated4
In Copyright2

Subject

Soils -- Oregon -- Phosphorus content3
Arid regions agriculture -- Oregon, Eastern1
Forest soils -- Nitrogen content -- Oregon -- Oregon Coast Range1
Hard red spring wheat -- Oregon, Eastern1
Ion-permeable membranes1
more Subjects »

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