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Long-term Effects of Vegetation Management on Plant and Soil Derived Nutrient Budgets for Plantations of Four Western Conifer Species

Creator:: Callan, Cannon F.
Abstract:: Forest Vegetation Management (VM) is an important tool used in the Pacific Northwest (PNW) for reforestation. It has been well documented that VM increases seedling survival and crop tree volume growth. What is less understood, is how altering the plant community and successional trajectory affects the way the ecosystem uses...
Resource Type:: Masters Thesis
Full Text:: : Long-term Effects of Vegetation Management on Plant and Soil Derived Nutrient Budgets for Plantations

Plant community and soil relationships on some rangelands of northeastern Nevada

Creator:: Jensen, Mark E.
Abstract:: Relationships between sagebrush-dominated plant communities and soil-site characteristics were examined on 372 relatively undisturbed rangeland sites of the Humboldt National Forest, in northeastern Nevada. Plant species production data were analyzed by TWINSPAN to develop a hierarchical, floristic-based community type (C.T.) classification. Seventeen C.T.s were identified in this analysis and named...
Resource Type:: Dissertation
Full Text:: Plant community and soil relationships on some rangelands

Phosphorus characterization in Sri Lankan Alfisols : Soprition, fractions, plant availability and soil test suitablitiy

Creator:: Sattell, Robert R.
Abstract:: Twelve Sri Lankan Alfisols were characterized for P. Soils were incubated for three weeks with sufficient P applied (P2) to elevate soil solution P to 0.2 ug P/g solution as determined by sorption curves, with 75 percent of P2 (P1), and without P (P0). For PO treatments, (a) organic P,...
Resource Type:: Masters Thesis
Full Text:: : Soprition, fractions, plant availability and soil test suitablitiy AN ABSTRACT OF THE THESIS OF Robert R

Urbanizing Flora of Portland, Oregon, 1806-2008.

Creator:: Christy, John A., Kimpo, Angela, Marttala, Vernon, Gaddis, Philip K., and Christy, Nancy L.
Abstract:: Second printing with corrections and additions, December 2009.
Resource Type:: Technical Report
Full Text:: Society of Oregon 2009 © Native Plant Society of Oregon and John A. Christy Second

Plant variety protection

Creator:: Brewer, Donald Haden and Oregon State University. Extension Service
Resource Type:: Technical Report
Full Text:: V rests with the Seed Branch of the Federal Seed Act, and no longer involves the Plant Variety

Beaches and dunes of the Oregon coast

Creator:: United States. Soil Conservation Service and Oregon Coastal Conservation and Development Commission
Resource Type:: Book
Full Text:: . SOIL CONSERVATION SERVICE OREGON COASTAL CONSERVATION AND DEVELOPMENT COMMISSION MARCH 1975 USDA

Fabrication and characterization of p-type CuO / n-type ZnO heterostructure gas sensors prepared by sol-gel processing techniques

Creator:: Ravichandran, Ram
Abstract:: Increased interest in the field of sensor technology stems from the availability of an inexpensive and robust sensor to detect and quantify the presence of a specific gas. Bulk p-CuO/n-ZnO heterocontact based gas sensors have been shown to exhibit the necessary sensitivity and selectivity characteristics, however, low interfacial CuO/ZnO contact...
Resource Type:: Masters Thesis
Full Text:: , Dr. Thomas Plant. Without his insightful guidance and constant encouragement, this thesis could not

The role of morphologic feedback in surf zone sand bar response

Creator:: Plant, Nathaniel Granger
Resource Type:: Dissertation
Full Text:: publication. Chapter 2 was reprinted from Marine Geology (vol. 140, Plant, N. G. and R. A. Holman, Intertidal

Root symbionts and soil microorganisms associated with actinorrhizal plants

Creator:: Rose, Sharon Lee
Abstract:: Symbiotic associations are established between non-leguminous (actinorrhizal) nitrogen-fixing flowering plants and two categories of microorganisms: mycorrhizal fungi and a filamentous actinomycete. The actinomydete induces nodule formation and produces nitrogenase, the enzyme responsible for the reduction of atmospheric nitrogen to a form available to higher plants. The mycorrhizal fungus is found...
Resource Type:: Dissertation
Full Text:: MATERIALS Plant root and soil samples were collected extensively in six physiographic provinces of Oregon

Distribution, form, and signigicance of plant opal in Oregon soils

Creator:: Norgren, Joel A.
Abstract:: This study was undertaken to increase knowledge of opal phytoliths in plants and soils of Oregon, and thus encourage further use of phytoliths in future pedologic investigations. Content of plant opal in needles from ten common Oregon conifer species ranged from 0.2 to 7.9%. Western larch (Larix occidentalis) contained the...
Resource Type:: Dissertation
Full Text:: where soil samples included in this study were obtained, 2 Plant opal and phytoliths from conifer

ScholarsArchive@OSU

Long-term Effects of Vegetation Management on Plant and Soil Derived Nutrient Budgets for Plantations of Four Western Conifer Species

Plant community and soil relationships on some rangelands of northeastern Nevada

Phosphorus characterization in Sri Lankan Alfisols : Soprition, fractions, plant availability and soil test suitablitiy

Urbanizing Flora of Portland, Oregon, 1806-2008.

Plant variety protection

Beaches and dunes of the Oregon coast

Fabrication and characterization of p-type CuO / n-type ZnO heterostructure gas sensors prepared by sol-gel processing techniques

The role of morphologic feedback in surf zone sand bar response

Root symbionts and soil microorganisms associated with actinorrhizal plants

Distribution, form, and signigicance of plant opal in Oregon soils

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