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Nematodes affecting Oregon agriculture

Creator:: Oregon State University. Agricultural Experiment Station and Jensen, Harold J. (Harold James), 1921-
Abstract:: Published May 1961. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Technical Report
Full Text:: emerging from a gall which had been kept in dry storage for seven years. AUTHOR: Harold J. Jensen is

Bionomics of the hop cyst nematode, Heterodera humuli Filipjev, 1934 (Nematoda : Heteroderidae)

Creator:: Sen, Arun Kumar
Abstract:: The hop cyst nematode, Heterodera humuli Filipjev, 1934 was first reported from Europe in 1894, however, very little is known with respect to the biology and economic importance of this pest. Abundant material from Oregon hop yards provided an excellent opportunity to add additional details concerning the bionomics of this...
Resource Type:: Dissertation
Full Text:: ) Abstract approved: Dr. Harold J. Jensen The hop cyst nematode, Heterodera humuli Filipjev, 1934 was

Bionomics of the clover cyst nematode, Heterodera trifolii (Goffart, 1932) Oostenbrink, 1939 (Nematoda: Heteroderidae)

Creator:: Sen, Arun Kumar
Resource Type:: Masters Thesis
Full Text:: wishes to express his deep sense of gratitude to Dr. Harold J. Jensen for his assistance and

Alum coagulation in conjunction with the activated sludge treatment of corn processing waste water

Creator:: Jensen, Harold LeRoy, III
Abstract:: The treatment of waste water from a corn freezing process by activated sludge with the aid of alum coagulation was investigated. Both high and low energy level systems were observed with good flocculation occurring at the low energy level. Because poor flocculation occurs at high energy level conditions, alum was...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Harold LeRoy Jensen III for

A method of seismic design for prestressed concrete highway bridge girders

Creator:: Lam, Kwok To
Abstract:: The effects of vertical ground motion are particularly significant in the design of highway bridge girders. Conventional codes do not recommend methods for solving the problem. The intent of this work is to suggest an approach for such design. A set of curves for velocity spectra which are the average...
Resource Type:: Masters Thesis
Full Text:: PRESTRESSED CONCRETE HIGHWAY BRIDGE GIRDERS Abstract approved: Redacted for Privacy Dr. Harold I. Laursen

Physiological ecology and structure of benthic communities in a woodland stream

Creator:: Reese, Weldon Harold
Abstract:: This thesis reports a portion of a general ecological study of a stream under conditions of controlled flow and low levels of organic enrichment. It is concerned with the effects of experimental variations of light intensity and concentration of soluble organic enrichment imposed on seasonal variations of temperature and total...
Resource Type:: Dissertation
Full Text:: in a woodland stream AN ABSTRACT OF THE THESIS OF Weldon Harold Reese for the Ph. D in Botany

Geography of the land use in Okanogan County (Washington)

Creator:: Hall, James Edward
Resource Type:: Masters Thesis
Full Text:: Professor J. Granville Jensen, through guidance and editorial review of this thesis. Much appreciation is

Renewal and development of urban river-front occupance : the case of Albany, Oregon

Creator:: Frederick, James Jess
Abstract:: This thesis is concerned with riverfront land use in Albany, Oregon, and is addressed to the possibility of orderly development and redevelopment of the riverfront. It appraises the present situation particularly in regard to the renewal cycle and the problem of floods on the river borders. Finally this thesis provides...
Resource Type:: Masters Thesis
Full Text:: and assistance given by Professor J. Granville Jensen, through guidance and editorial review of this

Some factors associated with reconciliation decisions among couples with marital problems

Creator:: Kelley, Roselene Jensen
Abstract:: The purpose of the study was to investigate the nature of marital interaction that occurs at the point at which couples with problems seek assistance from an agency specifically designed to deal with marital problems. Efforts were made to learn more about the nature of the marital relationship in general,...
Resource Type:: Masters Thesis
Full Text:: Among Couples with Marital Problems AN ABSTRACT OF THE THESIS OF Roselene Jensen Kelley for the

A study of a metallurgical background of welding instructors at the college or university level

Creator:: Love, Leonard Carl, 1921-
Abstract:: This study was set up to examine selected aspects of the knowledge of welding metallurgy that is a part of the background of present teacher educators who teach welding courses for Industrial Arts majors. Specifically this study was made to answer the following questions: 1. What knowledge is now possessed...
Resource Type:: Masters Thesis

ScholarsArchive@OSU

Nematodes affecting Oregon agriculture

Bionomics of the hop cyst nematode, Heterodera humuli Filipjev, 1934 (Nematoda : Heteroderidae)

Bionomics of the clover cyst nematode, Heterodera trifolii (Goffart, 1932) Oostenbrink, 1939 (Nematoda: Heteroderidae)

Alum coagulation in conjunction with the activated sludge treatment of corn processing waste water

A method of seismic design for prestressed concrete highway bridge girders

Physiological ecology and structure of benthic communities in a woodland stream

Geography of the land use in Okanogan County (Washington)

Renewal and development of urban river-front occupance : the case of Albany, Oregon

Some factors associated with reconciliation decisions among couples with marital problems

A study of a metallurgical background of welding instructors at the college or university level

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