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Filtering by: Creator Plow, R. H. Remove constraint Creator: Plow, R. H. Degree Name Master of Science (M.S.) Remove constraint Degree Name: Master of Science (M.S.) Subject Herbicides Remove constraint Subject: Herbicides

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Microbial degradation of atrazine in soils

Creator:

Skipper, H. D. (Horace D.)

Abstract:

Atrazine is an asymmetrical s-triazine herbicide used pre- and post-emergence for the control of weeds in many crops. Under conditions considered unfavorable for microbial activity, atrazine may persist in soils for extended periods of time. However, the significance of chemical versus microbial degradation is not known. This study was conducted...

Resource Type:

Masters Thesis

Full Text:

my best to achieve them. ACKNOWLEDGMENT To Dr. W. R. Furtick for his guidance, encouragement
Some factors influencing the chemical control of annual grasses in Festuca arundinacea Schreb

Creator:

Bayer, David E.

Resource Type:

Masters Thesis

Full Text:

express his deep gratitude to Professor virgil H. Freed for his inspirational gudaflco and constructivo
The effect of 2,4-D formulations and rates on the yield and quality of Hannchen barley

Creator:

Chilcote, David O.

Resource Type:

Masters Thesis

Full Text:

/64" x 3/4 1 . screen and throu&h a tsi/M• x 3/4• screen toll.ow1ng various treatments in 1954
The effect of plant growth regulators on the electron-transport in plants

Creator:

Chinn, Clarence Edward

Resource Type:

Masters Thesis

Full Text:

The author wishes to express his sincere appreciation to Professor Virgil H. Freed for his
The effect of growth regulating compounds on winter wheat varieties

Creator:

Miller, Jonas William

Resource Type:

Masters Thesis

Full Text:

appreciation to Dr. !lson H. Foote for the plans which made this stud7 possible• far direction and oounc11
Factors influencing pre-emergent weed control with chemicals in vegetable crops

Creator:

Kosesan, Willy Henry

Resource Type:

Masters Thesis

Full Text:

ACKNOVLEDGLt1ENTS The writer wishes to express his deep appreciation to Professor Virgil H. Freed for the many
The chemical control and the utilization of Anacharis densa

Creator:

Jordan, Gilbert Leroy

Resource Type:

Masters Thesis

Full Text:

: t Th *v4 Md itb d Pt .X + ':::_L I , +-+--± -H-f--H-+-4 '''' mt T r I11II t ___ 200 .:..T
The fate of 4(2,4-Dichloro phenoxy) butyric acid in fat metabolizing systems

Creator:

Kief, Mabel Marguerite

Resource Type:

Masters Thesis

Full Text:

. First, it ap- pears from the spots at R. 0.3 cnd 0.t that both t3-1)H-2,I,-DB and the 2,L-D crotonic
The factors influencing the effectiveness of Aryloxy Alkanol esters and hemiesters as herbicides

Creator:

Sutherland, Melvin Laverne

Resource Type:

Masters Thesis

Full Text:

ACKNOWLEDGEMENTS It is a privi1ee to acknowledge the assistance rendered to me by Professor Virgil H. Freed
The effects of CIPC vapors on dodder (Cuscuta spp.) seedlings

Creator:

Slater, Clarence Harold

Abstract:

The use of CIPC (isopropyl N-(3-chlorophenyl) carbamate) to control dodder (Cuscuta spp.) in alfalfa is an established practice. A rate of six pounds per acre applied to moist soil has given good dodder control lasting from four to six weeks. The purpose of this study was to determine the effect...

Resource Type:

Masters Thesis

Full Text:

seedlings grown in metal can later to be exposed to CIPC vapors. ii ia h r a . . o .4. en o

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Academic Affiliation

Farm Crops25
Agronomic Crop Science6
Chemistry6
Crop Science3
Horticulture3
more Academic Affiliations »

Advisor

Appleby, Arnold P.15
Furtick, William R.7
Freed, Virgil H.6
Bond, Carl E.2
Foote, Wilson H.2
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Commencement Year

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Current results range from 1930 to 2018

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Committee Member

Chilcote, William W.4
Appleby, Arnold P.2
Burr, Ronald J.2
Chilcote, David O.2
Johnston, LaRea2
more Committee Members »

Creator

Akers, Thomas Jefferson1
Bayer, David E.1
Bourke, John Butts1
Brenchley, Ronald Glenn1
Burrill, L. C.1
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Date

Date range begin – Date range end

Current results range from 1930 to 2018

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Decade

2010-20191
1990-19991
1980-19894
1970-197911
1960-196919
1950-195915
1930-19391

Degree Field

Farm Crops25
Agronomic Crop Science6
Chemistry6
Crop Science4
Horticulture3
more Degree Fields »

Degree Level

Master's52

Degree Name

Master of Science (M.S.)[remove]52

Language

English [eng]52

License

All rights reserved1

Non-Academic Affiliation

Oregon State University. Graduate School51

Peer Reviewed

No50

Resource Type

Masters Thesis52

Rights Statement

Copyright Not Evaluated51
In Copyright1

Subject

Herbicides[remove]52
Weeds -- Control5
Soil microbiology3
Bluegrasses2
Freshwater fishes2
more Subjects »

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