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The mycorrhizal associations of western hemlock

Creator:: Kropp, Bradley Ray
Abstract:: Two objectives of this research were to identify fungi which are mycorrhizal with western hemlock and to examine the ecology of hemlock mycorrhizal fungi indigenous to outplanting sites. Another objective was to evaluate the effectiveness of mycorrhizal inoculation in improving the performance of outplanted hemlock seedlings. A list of over...
Resource Type:: Dissertation
Full Text:: ABSTRACT OF THE THESIS OF Bradley Ray Kropp for the degree of Doctor of Philosophy in Botany and Plant

Stable activable tracers for environmentally significant organic molecules

Creator:: Ghannam, Lina M.
Abstract:: The need for field and laboratory studies of the physical and chemical behavior of environmentally significant organic molecules often poses problems because of the toxicity of the chemical and the difficulty of detecting it at environmentally significant concentrations. Two dysprosium tracers, dysprosium (III) trisacetylacetonate trihydrate and dysprosium(III) trisdibenzoylmethane monohydrate, were...
Resource Type:: Masters Thesis
Full Text:: Chemicalsc Paraoxon 3.5 Parathion 5 Dimethyl- 15 Parathion DDT 17 Endrin 18 Acetylacetone d 1000 aLD5 0

Nitrogen nutrition of seedling alfalfa (Medicago sativa L.)

Creator:: Eardly, Bertrand D.
Abstract:: Nitrogen fertilization of seedling legumes is a controversial practice intended to provide N to the plant during periods when seed N, soil N, and N₂ fixation may not meet plant requirements; eg. prenodulation, postharvest, or in the event of an inoculation failure. Field experiments were conducted in 3 consecutive years...
Resource Type:: Dissertation
Full Text:: .) AN ABSTRACT OF THE THESIS OF Bertrand D. Eardly for the degree of Doctor of Philosophy in Crop

Winter supplementation and delayed weaning of an autumn calving beef herd under western Oregon conditions

Creator:: Buehner, Heidi Renata
Abstract:: Two management systems were evaluated in terms of the effects on cow condition score and body weight changes and calf growth rates. The management systems evaluated were winter supplementation of energy, winter creep feeding and delayed weaning. The calves used in this study were born in September and October of...
Resource Type:: Masters Thesis
Full Text:: members, Drs. D. W. Weber, R. E. Rowe, M. L. Hellickson, J. P. Maas, and P. C. Wagner are thanked for

The effects of mycorrhizal colonization and phosphorus fertilization on Douglas-fir seedling growth, morphology, and photosynthesis

Creator:: Black, C. H. (Charles H.)
Resource Type:: Dissertation
Full Text:: (D fir) and western hemlock (W hem) seedlings after one field season. 115 IV-2 Mean heights (a

Factors affecting the inoculum potential of VA and ectomycorrhizal fungi in forest soils of southwest Oregon and northern California

Creator:: Parke, Jennifer Lee
Resource Type:: Dissertation
Full Text:: during July and August. Then, decayed soil wood became the most important substrate. Kropp (1982

Oregon forage and turf grass variety seed yield trial, 1984-85

Creator:: Youngberg, Harold Wayne, 1929-, Young, William C. (William Clyde), Chilcote, David O., and Oregon State University. Agricultural Experiment Station
Abstract:: Published April 1986. 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:: (0.56 kg/ha) on June 2, 1983, and 0.75 lb a.i./a (0.84 kg/ha) 2,4-D low volatile ester on September 23

The effect of lasalocid on fall calving beef cows

Creator:: Hopman, Bruce T.
Abstract:: Forty-two fall-calving crossbred cows were equally allotted to six pens of seven cow-calf pairs each. Two treatments (0 and 200 mg lasalocid/head/day) with three replications were used to determine the effects of lasalocid on fall-calving beef cows. The cows were fed grass hay, haylage and pasture ad libitum. The cow-calf...
Resource Type:: Masters Thesis
Full Text:: species); and (d) those that produce hydrogen (Ruminococcus species). Ruminant bacterial species that

Oregon's agricultural progress ; 1986 Supplement

Creator:: Oregon State University. Agricultural Experiment Station
Resource Type:: Technical Report
Full Text:: and Nucleotide Sequence of the Orgyia pseudotsugata SNPV Polyhedrin Gene," D. Leisy, M. Nesson, M

Establishment of Poria carbonica in wood and colonization by basidiomycetes of Douglas-fir utility poles during air seasoning

Creator:: Przybylowicz, Paul
Abstract:: Influence of temperature and wood moisture content on spore germination and colonization of Douglas-fir (Pseudotsuga jnenziesii) heartwood by Poria carbonica basidiospores and chlamydospores was studied. Both spore types germinated and colonized wood at moisture contents above the fiber saturation point, but not below. Germination and wood colonization occurred at 22°C...
Resource Type:: Dissertation
Full Text:: associates involved in this project for their support and help. My sincerest thanks go to Dr. Bradley Kropp

ScholarsArchive@OSU

The mycorrhizal associations of western hemlock

Stable activable tracers for environmentally significant organic molecules

Nitrogen nutrition of seedling alfalfa (Medicago sativa L.)

Winter supplementation and delayed weaning of an autumn calving beef herd under western Oregon conditions

The effects of mycorrhizal colonization and phosphorus fertilization on Douglas-fir seedling growth, morphology, and photosynthesis

Factors affecting the inoculum potential of VA and ectomycorrhizal fungi in forest soils of southwest Oregon and northern California

Oregon forage and turf grass variety seed yield trial, 1984-85

The effect of lasalocid on fall calving beef cows

Oregon's agricultural progress ; 1986 Supplement

Establishment of Poria carbonica in wood and colonization by basidiomycetes of Douglas-fir utility poles during air seasoning

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