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The effects of commercial rhizobium inoculants on the establishment of Trifolium subterraneum in southwest Oregon soils

Creator:: Jenkins, Michael B.
Abstract:: Commercial inoculant products for subclover that are marketed in the Pacific Northwest were evaluated in field trials (supplemented by appropriate laboratory analysis) at four sites in southwest Oregon. The materials tested were Nitragin (Milwaukee, WI) and Northrup-King (Minneapolis, MN) peat-based inocula, and Celpril (Manteca, CA) inoculated, lime-pelleted subclover seed. Duplicate...
Resource Type:: Masters Thesis
Full Text:: , and about 500;000 acres of grass and clover pastures (Hagedorn, 1978a). For the particular conditions

Microbial ecology of an old-growth Douglas fir canopy

Creator:: Caldwell, Bruce A.
Abstract:: Microbial populations associated with the major substrates of the canopy of a 70 m old-growth Douglas fir were studied to determine potential activities. Seasonal samples from bark, foliage, epiphytic moss, lichens, and litter accumulations were collected to i) obtain population data, ii) to isolate the major groups of microorganisms present,...
Resource Type:: Masters Thesis
Full Text:: Carroll, 1977 Douglas fir needles, Oregon Goodfellow et. al., 1966 Goodfellow, 1968 Hagedorn, 1976

Tracing septic system effluent movement through saturated hillslope soils

Creator:: McCoy, Edward L.
Abstract:: Three isolates of Escherichia coli were labeled by their resistance to sodium azide and, separately, to novobiocin, nalidix acid, and tetracycline. The strains exhibited a high degree of persistence in the soil environment and were recoverable on strain specific media at levels within the 95% confidence interval of the numbers...
Resource Type:: Masters Thesis
Full Text:: by Hagedorn et al. (1978). In these studies, antibiotic resistant strains of Escherichia coli and

Movement of labeled Escherichia coli through western Oregon hillslope soils under conditions of saturated flow

Creator:: Rahe, Terrance M.
Resource Type:: Masters Thesis
Full Text:: Redacted for privacy Abstract approved: (Charles Hagedorn) Movement of microorganisms through two Oregon

Analysis of variations in selected enzymatic activities with environmental parameters in the soil

Creator:: Stott, Diane Elizabeth
Resource Type:: Masters Thesis
Full Text:: for Privacy Charles Hagedorn Six field sites in western Oregon were assayed periodically over one

What's that on the beach? Designing a Protocol for the Identification and Reporting of Stranded Marine Fish, Squid, and Turtles Using the Oregon Coast as a Proof-of-Concept

Creator:: Asson, Danielle and Asson, Danielle C.
Abstract:: It is not unusual to see stranded or washed-up marine animals and birds along any coastline. Various networks nationwide exist to report marine mammals and sea birds, yet, we have been unable to find a network in Oregon or nationally to report other stranded marine animals, namely fish, cephalopods, and...
Resource Type:: Capstone Project

The mineralogy and morphology of loess derived soils along a traverse in northeastern Oregon

Creator:: Berggren, Brad J.
Abstract:: The lentil strain of pea seedborne mosaic virus, PSbMV-L, was distinguished from the standard isolates of PSbMV by a natural inoculum reservoir in lentil seed and by separate resistance genes in Pisum and Lens. PSbMV-L was intermediate in symptom severity between the standard and New Zealand isolates of PSbMV. Seed...
Resource Type:: Masters Thesis
Full Text:: Dedicated to my parents Phylis Gift Jellison Charles Albert Jellison ACKNOWLEDGEMENTS I would like to

Specific indicator organisms can define the magnitude and origins of non-point pollution in rural environments

Creator:: Lamka, Karla Gail
Abstract:: A comprehensive study was made on the impact to surface and ground water pollution by a recently populated rural neighborhood located in the foothills of western Oregon. A stream originating in a limited access forest and flowing through a modern zoned housing development was routinely monitored. Sampling was performed during...
Resource Type:: Masters Thesis
Full Text:: :15-20. 37. Kibbey, H. J., C. Hagedorn, and E. L. McCoy. 1978. Use of fecal streptococci as

Variation in the sugar and acid content of frozen Marshall strawberries grown in different areas of the Pacific Northwest

Creator:: Yao, Ka-Teng
Abstract:: This study was undertaken to investigate the variation in the total sugar and acid content of the frozen Marshall strawberries grown in different areas of the Pacific Northwest. The samples used in this study were collected from different freezing plants located in the states of Oregon and Washington during the...
Resource Type:: Masters Thesis
Full Text:: sugar present in a sample, Hagedorn-Jensen (12) added alkaline potassium ferricyanide to a solution of

The response of soils, streambanks and instream coliform bacteria levels to grazing management in a riparian area

Creator:: Bohn, Carolyn C.
Abstract:: This thesis describes a case study of the effects of five systems of grazing on watershed values in a deteriorated riparian area. Soil infiltration, bulk density and penetrability, streambank edge movement and coliform bacteria were monitored for seven years along a stream in the Blue Mountains of northeastern Oregon. For...
Resource Type:: Masters Thesis

ScholarsArchive@OSU

The effects of commercial rhizobium inoculants on the establishment of Trifolium subterraneum in southwest Oregon soils

Microbial ecology of an old-growth Douglas fir canopy

Tracing septic system effluent movement through saturated hillslope soils

Movement of labeled Escherichia coli through western Oregon hillslope soils under conditions of saturated flow

Analysis of variations in selected enzymatic activities with environmental parameters in the soil

What's that on the beach? Designing a Protocol for the Identification and Reporting of Stranded Marine Fish, Squid, and Turtles Using the Oregon Coast as a Proof-of-Concept

The mineralogy and morphology of loess derived soils along a traverse in northeastern Oregon

Specific indicator organisms can define the magnitude and origins of non-point pollution in rural environments

Variation in the sugar and acid content of frozen Marshall strawberries grown in different areas of the Pacific Northwest

The response of soils, streambanks and instream coliform bacteria levels to grazing management in a riparian area

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