The Columbia River Gillnetter is the pilot of the Lower Columbia River commercial fishing industry, keeping fishermen and the public in touch with today's important issues.
The Columbia River Gillnetter is the pilot of the Lower Columbia River commercial fishing industry, keeping fishermen and the public in touch with today's important issues.
The Columbia River Gillnetter is the pilot of the Lower Columbia River commercial fishing industry, keeping fishermen and the public in touch with today's important issues.
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
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
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
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
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
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
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
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
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
Also applicable to Brussels sprouts, cabbage, and cauliflower. 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
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
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
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
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
Field trials of weed control research on several vegetable crops are reported in this summary. Unless otherwise indicated these trials were conducted at the Vegetable Crops Research Farm at Corvallis. Soil type at this location is a silty clay loam and all plots were sprinkler irrigated as needed to provide...
In early May of 1969 a corn screening trial was established on the East Farm Experiment Station near Corvallis. The purpose of the trial was to determine the effectiveness and safety of a series of experimental herbicides.
This document contains a summary of changes in administrations and actions taken by the Pacific Marine Fisheries Commission in 1968, as well as an update for the status of various fisheries.
This document contains a summary of changes in administrations and actions taken by the Pacific Marine Fisheries Commission in 1966 and 1967, as well as an update for the status of various fisheries.
This issue of the PMFC bulletin focuses primarily on the English sole, including results of tagging off of various coasts and studies of various populations of English sole. It also gives a review of sablefish tagging in California and details the Oregon trawl fishery for mink food up to 1965.
Compiled under the criteria: (1) statement of sources and faithfulness to them, (2) a true reflection of Indian cosmology, and (3) a written style that retains the spirit and poetry of the Indian's native manner of telling. Includes titles containing valuable introductory materials, bibliographies, motif indexes, and additional comparative notes,...
ENTOMOLOGISTS, BOTANISTS, and AGRICULTURISTS all
have occasion to concern themselves with bees. The en-tomologist is fascinated by their complex behavior pat-terns, the botanist needs to evaluate their significance infloral biology, and the agriculturist must take them into account as vital factors in crop production. Finally, the apiculturist often wishes to...
Published June 1969. 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
This report summarizes the activities of the Fish Commission of Oregon from July 1966 to June 1968. It contains information on the different divisions of the Commission, and summarizes research projects the Research Division was working on. It also includes general operations reports and a financial statement.
A mixed initial and boundary value problem is considered for
a partial differential equation of the form Muₜ(x, t)+Lu(x, t)=0,
where M and L are elliptic differential operators of orders 2 m
and 2l, respectively, with m ≤ l. The existence and uniqueness
of a strong solution of this equation...
Solid solution alloying was employed in an attempt to produce some
relatively ductile form of beryllium. If the c/a ratio could be significantly
altered, it was felt new or different slip systems could be activated. The
following elements were selected on the basis of atomic size, melting point,
crystal structure...
Population development of the symphylan, Scutigerella immaculata
(Newport), was studied in laboratory cultures. Also symphylan
injury to greenhouse plants was investigated. Plastic polyethylene
containers partly filled with damp ground hemlock bark were used to
culture symphylan in the laboratory. Fresh lettuce food was supplied
to the cultures weekly.
Factors which...
In this thesis a system analysis compares power development
plans for the 1980 decade in the Mekong countries i.e. Laos, Thailand
Cambodia, and South Vietnam. Given the decision to invest in power
development, an economic evaluation is made of complete system
developments rather than just hydro or thermal plants. The...
An experiment was conducted during the period November 1967
to November 1968 at Oregon State University (OSU) and the Umatilla
Branch Experiment Station (BES) at Hermiston, two trials at each
location, to answer several questions: (1) could comparable rations
for swine be formulated by a computer on a least-cost basis;...
A combination of genetical and biochemical methods were
utilized in investigating house fly resistance to naphthalene. The
inheritance of resistance was determined by crossing a naphthalene
resistant strain of Musca domestica L. with a susceptible mutant
marker strain. Biochemical comparisons were made on substrains
isolated from the progeny of these...
The object of the present study was to investigate the stimulatory
or inhibitory effects of barium, boron, bromine, cadmium,
chromium, cobalt, copper, fluorine, iodine, iron, manganese,
molybdenum, nickel, rubidium, selenium, strontium, vanadium, and
zinc upon in vitro rumen microbial activity as measured by the amount
of cellulose digested. Washed suspensions...
Herbicides were tested for the selective control of bentgrass in
Kentucky bluegrass turf under three levels of competition. Best control
in zero competition was obtained with a winter treatment of
bromacil at two pounds per acre. Under circumferential and direct
competition, best control was obtained with a summer and fall...
A study of the effect of mixing on the oxygen uptake rate of
estuarine bottom deposits is presented. The method of study involved
the mixing of samples of bottom deposits with the overlying water to
result in concentrations of suspended matter in the same order as
observed in the estuary....
The cabbage flea beetle, Phyllotreta cruciferae (Coleoptera:
Chrysomelidae) was introduced into the United States from Europe
during the 1920's and 1930's. It was described as a new species,
P. columbiana, native to North America by F. H. Chittenden in 1927.
This synonymic situation was discovered in 1953 after P. cruciferae...
The purpose of this study was designed to answer
1. What are the beliefs and attitudes that Oregon home economics
teachers hold about various new trends?
2. Are Oregon home economics teachers willing to support the
various new trends?
3. Are Oregon home economics teachers willing to further prepare
themselves...
Permeability, effects of age, and water table fluctuations were
studied for nine drainfields in five soil types ranging from well to
poorly drained. Three sites were in Willamette, one in Woodburn,
two in Amity, two in Concord, and one in Dayton soils. Before
permeability of drainfields could be evaluated, methods...
The three-phase squirrel-cage induction motor is rugged, compact,
inexpensive, can be totally enclosed and requires little maintenance.
Its use as a variable speed drive has been limited, however, by the
state-of-the art of control components.
The advent and continuing development of the silicon controlled
rectifier and associated solid-state components has...
The black crappie was evaluated as a pond fish in four experimental
ponds in the Willamette Valley. Two ponds were stocked with
largemouth bass, bluegill sunfish, and black crappie (1:9:3), and
two ponds with largemouth bass and black crappie (1:3).
Total biomass was greatest in the three-species ponds (80 kg/...
The purpose of this study was to explore the housing expenditures
and factors in, housing selection and satisfaction of single
adults. The population tested was guests and members of two single
Catholic adult clubs in Portland, Oregon. Questionnaires designed
for collecting the data for the study were mailed to the...
The integumental histology of Taricha granulosa (Skilton) has
been investigated with special attention being given to the seasonal
variations associated with terrestrial and aquatic habitats.
The epidermis consists of a stratified squamous epithelium,
four to seven cell layers thick, with one to two layers being cornified.
The dermis is composed...
During the summer of 1967 a fertilizer survey was conducted
to determine the nutrient status of peppermint fields, the nutrient
concentration of plant tissue and the oil content of peppermint in
Oregon.
Plant and soil samples and the field's fertilizer history
were collected from cooperators in
Oregon's peppermint growing
areas...
The patterns of cell proliferation in the choroid plexuses of
embryonic and post-natal hamsters were studied by means of auto-radiography
(H³-thymidine). In addition, the PAS technique was
used to determine the times of first appearance, relative amounts,
location, and times of disappearance of glycogen free the plexuses.
Many mitotic figures...
The use of petroleum oil prevented, to varying degrees: the
transmission of three stylet-borne viruses in three different crops.
The use of oils resulted in a marked improvement in the number of
lily bulbs harvested from treated plots as compared to the number of
lily bulbs harvested from untreated plots....
At the time of this study 19 states have entered into agreements, one state agreement is pending and one state has submitted its proposal for entering into an agreement with the Atomic Energy Commission for the purpose of assuming regulatory authority over (1) byproduct, (2) source and (3) special nuclear...
Soils developed on volcanic ash exhibit several unique properties
not commonly observed in soils formed on other geologic
material. Low thermal conductivities, low volumetric heat capacities,
slow transport phenomena, excess macro-drainage and
development of unique suites of clay minerals are some properties
thought to be directly related to the vesicular...
Modern technology has advanced to such a high degree that
education now stands between all men and all work. What it means
in specific occupational possibilities and opportunities is the area
of this research. The farmer has made tremendous strides in production
and is supported by a large group of...
The methanolysis of phosphorus trichloride coordinated to nickel
(0) has been studied. Free phosphorus trichloride reacts with methanol
to give dimethyl hydrogen phosphonate, methyl chloride, and hydrogen
chloride. The reaction involves a rearrangement on phosphorus using
the lone pair, in which the coordination number increases from three
to four. In...
Major objectives of the study involved development of a laboratory
procedure to obtain mating, determining characteristics of female
sex attraction, and determination of the effects of temperature and
humidity on mating and fecundity. The second of two methods devised
to obtain mating, "the vertical airflow technique," was convenient to
employ...
There is need for more knowledge of the naturally acquired
diseases of the laboratory rat. Respiratory diseases occurring in
the species were reviewed with special reference to an acute respiratory
disease affecting certain rats in the Oregon State University
closed Wistar rat colony which has also involved human infections.
The...
Effects of four handling methods with varying holding times and
temperatures on the acceptability and safety of two commercially
prepared frozen entrees, tuna and noodles and chicken al a king,
as used in a residence hall were studied. The four methods were:
I. oven heated and served at once; II....
The use of bromoxynil (3,5-dibromo-4-hydroxybenzonitrile)
to control broadleaf weeds in cereal crops has become widespread.
This herbicide has not always performed satisfactorily for reasons
which were not clearly evident.
The effects of temperature, light and humidity on the herbicidal
activity of bromoxynil on coast fiddleneck, Amsinckia intermedia,
were studied. Fiddleneck...
The equations which govern the motion of a rigid satellite in
an inverse-square force field exhibit a weak coupling between the
translation of, and the rotation about the center of mass. The effects
of this translational-rotational coupling on the equilibrium positions
in a circular orbit, and their stabilities are examined....
Histones are presumed to be of chromosomal origin and provide
both structural and functional elements for chromatin. In like
manner the ribosomal proteins are of ribosomal origin and have
analogous roles. Considerable controversy over their cellular roles
exists because of the inability to compare directly both groups of
proteins. In...
Purposes and Method of Study
The purpose of this study was to find out if tenth grade girls
were aware of the probability that a majority of them would work at
some time during their lives, and if they planned to prepare for this
possibility. A questionnaire was designed and...
The physiologic specialization of nine isolates of stripe rust
(Puccinia striiformis West.) collected in the Pacific Northwest
was determined. The separation of races was based on the differential
susceptibility of the following wheat varieties: Cappelle
Desprez, Chinese 166, Dippes Triumph, Druchamp, Etoile de
Choisy, Flamingo, Gaines, Golden, Ibis, Leda, Michigan...
Bdellovibrio bacteriovorus is a small parasitic bacterium present
in soil, mud, and aquatic habitats. Due to its lysis of Gramnegative
bacteria, an important role in soil ecology has been suggested
for this organism. A study of effects of herbicides upon
Bdellovibrio might consequently be of considerable value.
In this study...
This paper describes a study of two-phase gas-liquid vertical
annular climbing film flow. Using a high speed Fastax movie camera,
motion was slowed sufficiently to facilitate detailed analysis of the
climbing film structure, based on single frame projections. The
dynamic characteristics of the liquid film could likewise be obtained,
though...
This study was to develop a home economics curriculum at
second cycle (senior high school) level for Phutho Polytechnic School.
In order to do this, it was necessary to answer the following
questions:
1. What are the purposes of education today?
2. What is teaching?
3. What is learning?
4....
This study was undertaken to evaluate the dry-weight-rank and
microscopic point methods for determining botanical composition on
perennial ryegrass (Lolium perenne L.) - subclover (Trifolium
subterraneum L.) and tall fescue (Festuca arundinacea Schreb.) -
subclover pasture mixtures throughout a grazing season.
Botanical composition was determined on a monthly basis from...
Colleges and universities must be continually seeking means to
improve their financial management. One improvement would be to
lessen the amount of monies the state-owned university reverts to
the state at the end of the fiscal year. Such reversion is caused by
numerous departments, each with financial autonomy, incurring
greater...
The primary purpose of this study was to replicate a study of
Abel and Sahinkaya which investigated the emergence of race and sex
preferences of upper middle socioeconomic status Caucasian
children. This study provided a good match with respect to socioeconomic
status, race, and sex; however, the number of subjects...
Twelve chemicals (Busan 72, Chloropicrin, Dacthal, Dexon,
Duter, EP 161, Lanstan, Methyl bromide, Phaltan, Vapam, Vidden D,
Vorlex) were tested to determine their effect on populations of certain
important soil-borne microorganisms including the onion pink root
fungus Pyrenochaeta terrestris. The soil used was from a field in
Malheur County, Oregon...
Density measurements of molten solutions of thallium
and tellurium have been made over the temperature range
220 to 650°C and the composition range 31 to 69 atomic
per cent thallium. The Archimedian method was employed
since it is readily adaptable to performing measurements
over wide ranges of temperature and composition...
The critical buckling load for round tapered columns with variable
end fixity is presented. The theory used is presented together
with the general solution for the resulting differential equation. This
general solution is solved by use of a computer. The computer program
written specifically for this thesis, the flow chart,...
The use of the exponential-transfer-characteristics of a transistor
junction as a means of giving a logarithmic sweep calibration to a
sampling oscilloscope is presented. The prior work in logarithmic
converters leading up to the use of the transistor's transfer properties
is explored. A circuit adapting a sampling oscilloscope to a...
Earthworms are capable of osmotic and ionic regulation while
living in a dilute balanced salt solution. When transferred from soil
to pond-water (PW) their body weight increases by 15 percent due to
a net uptake of water.
This results in an initial dilution of the
coelomic fluid (CF).
Subsequently, Na...
The western Plethodon include vandykei vandykei, v. idahoensis,
larselli, dunni,vehiculum, stormi, elongatus, and an undescribed
form referred to as the "unstriped" Plethodon. These
salamanders have been placed into three species groups: the
Vandykei group, the Vehiculum group, and the Elongatus group.
Range maps are provided and geographic variation is discussed...
Three Oregon soil types (Chehalis silt loam (CSL), an alluvial
soil from the Willamette Valley; Ayre sandy loam (ASL), a volcanic
pumice soil from the Central high desert; and Klamath fine sandy
loam (KFSL), a basaltic mineral soil from the Klamath Basin) were
collected adjacent to fields which had been...