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Filtering by: Committee Member Breen, P. J. Remove constraint Committee Member: Breen, P. J. Decade 1960-1969 Remove constraint Decade: 1960-1969

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The biology and behavior of the alkali bee Nomia melanderi Cockerell (Hymnoptera: Apoidea)

Creator:

Hackwell, Glenn Alfred

Abstract:

Nomia melanderi Cockerell is one of the most efficient pollinators of alfalfa in Eastern Oregon. Emergence begins in June, usually reaches its peak in early July, and may continue into early August. Male emergence precedes female emergence by four or five days. For the first few weeks of this time,...

Resource Type:

Dissertation

Full Text:

. J. D. Lattin, Entomology Department Dr. W. P. Nagel, Entomology Department. TABLE OF CONTENTS
Snowbrush, Ceanothus velutinus Dougl., its ecology and role in forest regeneration in the Oregon Cascades

Creator:

Zavitkovski, J.

Abstract:

The ecological and silvicultural importance of snowbrush, Ceanothus velutinus, in the areas west of the summit of the Oregon Cascades was studied. Particular attention has been given its nitrogen- fixing ability under both field and greenhouse conditions. On west slopes of the Oregon Cascades snowbrush occurs above 2, 500 feet...

Resource Type:

Dissertation

Full Text:

. Thanks are due to the members of my graduate committee Drs. J. R. Dilworth, H. J. Evans, and W. P. Lowry
Criteria for a school budget

Creator:

Baum, Milton Robert

Resource Type:

Dissertation

Full Text:

. stanley i. ill1atison, Dr. William . Crooks, Dean Henry P. Hansen, and J. L. Turnbull, Deputy
Factors affecting establishment, survival, and production of birdsfoot trefoil (Lotus corniculatus L.) and alfalfa (Medicago sativa L.)

Creator:

Cooper, Clee Scott

Abstract:

Field, greenhouse, growth chamber and laboratory experiments evaluated factors affecting establishment, survival and production of birdsfoot trefoil (Lotus corniculatus L.) and alfalfa (Medicago sativa L.) Field studies investigated the effects of a barley companion crop, seedling year harvest management and nitrogen and phosphorus fertilization upon stands, survival and subsequent production...

Resource Type:

Dissertation

Full Text:

, Dr. M. D. Dawsonr DE. H. J. Evansr Dr. D. O, Chilcote and Dr. H. P. Hansen for their encouragement

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Academic Affiliation

Education1
Entomology1
Farm Crops1
Forest Management1

Advisor

Ferrell, W. K.1
Mcguire, W. S.1
Stephen, W. P.1
van Loan, Wendell L.1

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 1960 to 1968

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Committee Member

Evans, H. J.2
Chilcote, D. O.1
Chilcote, W. W.1
Ching, T. M.1
Crooks, William R.1
more Committee Members »

Creator

Baum, Milton Robert1
Cooper, Clee Scott1
Hackwell, Glenn Alfred1
Zavitkovski, J.1

Date

Date range begin – Date range end

Current results range from 1960 to 1967

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Decade

1960-1969[remove]4

Degree Field

Education1
Entomology1
Farm Crops1
Forest Management1

Degree Level

Doctoral4

Degree Name

Doctor of Philosophy (Ph.D.)3
Doctor of Education (Ed.D.)1

Language

English [eng]4

Non-Academic Affiliation

Oregon State University. Graduate School4

Peer Reviewed

No4

Resource Type

Dissertation4

Rights Statement

Copyright Not Evaluated4

Subject

Alfalfa1
Bees1
Ceanothus velutinus1
Education -- Finance.1
Forest ecology1
more Subjects »

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