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Filtering by: Creator Stephenson, Jerry D. Remove constraint Creator: Stephenson, Jerry D. Advisor Powers, W. L. Remove constraint Advisor: Powers, W. L.

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Studies of economic rates, forms, and combinations of use of sulfur as a fertilizer

Creator:

Haynes, Joseph D.

Resource Type:

Masters Thesis

Full Text:

In Partial Fulfillment· of the Requirements For the Degree of MASTER OF SCIENCE by Joseph D
The relation of calcium ion requirement of alfalfa to the calcium content of the soil

Creator:

Larson, Harold William Emanuel

Resource Type:

Masters Thesis

Full Text:

Dr. W. L. Powers and Dr. R. E. Stephenson of the Soils Department of the Oregon Agricultural
The removal of soluble salts from virgin "black alkali" soil

Creator:

Black, Walter Vernon

Resource Type:

Masters Thesis

Full Text:

worx 1.1.1d to Dr. R. E. Stephenson hnd Dr. W. V. Halverson for techical sugestions and advice. This
Characteristics & use capabilities of Douglas area soils

Creator:

Dull, Elwood Wesley

Resource Type:

Masters Thesis

Full Text:

. CHARACTERISTICS AND USE CAPABILITIES OF D)UGLAS AREA SOILS INTRODUCTION A soil survey, a chemical inventorr
Reclamation investigations with virgin black alkali soils

Creator:

Wursten, John Luther

Resource Type:

Masters Thesis

Full Text:

made, and to Dr. R. E. Stephenson for technical suggestions. Acknowledgment is also made for the
Soil nitrogen transformation as affected by moisture

Creator:

Tomsheck, William Henry

Resource Type:

Masters Thesis

Full Text:

limited by reaction because nitrification has been observed in acid soils. 13 Stephenson (1920
Removal of plant nutrients in percolate from lysimeter tanks

Creator:

Higby, William Morgan

Resource Type:

Masters Thesis

Full Text:

OGRAPHY 1. Carpenter, E. J. and Torgerson, E. F. Soil Survey of Benton County, Oregon. U. S. D. A. Bur
Improvement in percolation of water thru soils having a high clay content and restricted drainage

Creator:

Young, Vilas Devald, 1898-

Resource Type:

Masters Thesis

Full Text:

16 12 : pi E- i I1 'r ; i I I \ ' - iIf/// . d \\ I \\\j \ r
Chemical changes in alkali soils during the reclamation

Creator:

Joseph, Harrietann

Resource Type:

Masters Thesis

Full Text:

produced undesirable physical properties. k'owers and Stephenson (20) f ound that from the use of
Optimum and critical concentrations of boron in Oregon soils

Creator:

Jordan, James Verdun

Resource Type:

Dissertation

Full Text:

into 3 groups: tolerant, semi-tolerant and intolorant to boron. ßORON R'LATIOHIP D PLANTS. In recent

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Academic Affiliation

Soils10

Advisor

Powers, W. L.[remove]10

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Current results range from 1925 to 1952

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Creator

Black, Walter Vernon1
Dull, Elwood Wesley1
Haynes, Joseph D.1
Higby, William Morgan1
Jordan, James Verdun1
more Creators »

Date

Date range begin – Date range end

Current results range from 1925 to 1952

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Decade

1950-19591
1940-19492
1930-19392
1920-19295

Degree Field

Soils10

Degree Level

Master's9
Doctoral1

Degree Name

Master of Science (M.S.)9
Doctor of Philosophy (Ph.D.)1

Language

English [eng]10

Non-Academic Affiliation

Oregon State University. Graduate School10

Peer Reviewed

No10

Resource Type

Masters Thesis9
Dissertation1

Rights Statement

Copyright Not Evaluated6
No Copyright - United States4

Subject

Alkali lands3
Reclamation of land2
Soil percolation2
Alfalfa1
Boron1
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