Index Catalog // ScholarsArchive@OSU

Pruning young Douglas-fir (Pseudotsuga menziesii [mirb.] Franco) in a western Oregon agroforestry setting : changes in tree water relations and effects on forage production

Creator:: Withrow-Robinson, Bradford A.
Abstract:: There is renewed interest in agroforestry as a management strategy for marginal agricultural lands in western Oregon. Silvopastoral systems combine tree and forage production, which involve crops and practices familiar to the area. The objective of this study was to determine how management influences the physiology and ecological interactions of...
Resource Type:: Masters Thesis

Determining options for agroforestry systems for the rehabilitation of degraded watersheds in Alemaya Basin, Hararghe Highlands, Ethiopia

Creator:: Bishaw, Badege
Abstract:: Deforestation, accelerated soil erosion, and land degradation are serious problems in Ethiopia. The uncontrolled removal of natural forests, demographic pressures and cyclical drought has aggravated the situation, resulting in massive environmental degradation and a serious threat to sustainable agriculture and forestry. To overcome these problems efforts have been made to...
Resource Type:: Dissertation

Cavity resources in Oregon white oak and Douglas-fir stands in the mid-Willamette Valley, Oregon

Creator:: Gumtow-Farrior, Daniel L.
Abstract:: Previous studies of bird communities in the mid-Willamette Valley, Oregon, indicated that Oregon white oak (Ouercus garryana) stands supported more cavity-using bird species than sympatric stands of Douglas-fir (Pseudotsuga menziesii). Mature Oregon oak stands are being harvested and few are regenerating. I compared cavity availability for hole-using fauna among 10...
Resource Type:: Masters Thesis

Disaggregative and individual-tree growth models in theory and application

Creator:: Ritchie, Martin W.
Abstract:: Disaggregative and individual-tree/distance-independent modeling methods are compared and contrasted. Differences between the two are related to differences in functional and apparent resolution and may be illustrated using aggregation theory. When considering models of different levels of resolution describing a given phenomenon, invariance with respect to the aggregation implied (symmetry) may...
Resource Type:: Dissertation

The influence of antidesiccants on field performance and physiology of 2+0 ponderosa pine (Pinus ponderosa Dougl.) seedlings

Creator:: Vera-Castillo, J. A. Gil
Abstract:: This thesis research examines the effects of film-forming antidesiccants applied to dormant pondexosa pine (Pinus ponderosa Dougl.) seedlings after being lifted and to actively growing seedlings. The basic proposition was that antidesiccants would have a positive effect on reducing water loss in ponderosa pine seedlings. In order to evaluate the...
Resource Type:: Dissertation

Intercropping trees in a vegetable production systems : a holistic inquiry

Creator:: Seiter, Stefan
Resource Type:: Dissertation
Full Text:: affected by our exchange of ideas. I extend my thanks to the graduate committee Drs. David Hibbs

Comparison and optimization of chromatographic conditions for separation of cyclic dynorphin A analogues from linear byproducts

Creator:: Leelasvatanakij, Leena
Resource Type:: Masters Thesis
Full Text:: , and Dr. David E. Williams, who gave their time to read my thesis and be present at my defense. Last

Base inclinations for DNA in solutions and films as revealed by linear dichroism

Creator:: Kang, Hunseung
Resource Type:: Dissertation
Full Text:: . David E. Williams, and Dr. Malcolm Daniels, for their help and discussion in guiding my graduate

Inheritance of durable type disease resistance to leaf rust in wheat (Triticum aestivum L.em Thell)

Creator:: Das, Modan Kumar
Resource Type:: Dissertation
Full Text:: committee Drs. Patrick M. Hayes, Christopher C. Mundt, Roger G. Petersen, David R. Thomas, and Thomas E

Robust controller design for robotic manipulators with saturation

Creator:: Liang, Zuyang
Abstract:: The development of modern industries calls for the robotic manipulators with high speed and accurate tracking performance. Many authors have paid attention to robust control of robotic manipulators; however, only few authors have also considered the control problem of manipulators with power limitation. In this dissertation, the robotic manipulator is...
Resource Type:: Dissertation
Full Text:: . Charles E. Smith, Prof. Timothy C. Kennedy, Prof. Alan H. Robinson and Prof. David G. Ullman for their

ScholarsArchive@OSU

Pruning young Douglas-fir (Pseudotsuga menziesii [mirb.] Franco) in a western Oregon agroforestry setting : changes in tree water relations and effects on forage production

Determining options for agroforestry systems for the rehabilitation of degraded watersheds in Alemaya Basin, Hararghe Highlands, Ethiopia

Cavity resources in Oregon white oak and Douglas-fir stands in the mid-Willamette Valley, Oregon

Disaggregative and individual-tree growth models in theory and application

The influence of antidesiccants on field performance and physiology of 2+0 ponderosa pine (Pinus ponderosa Dougl.) seedlings

Intercropping trees in a vegetable production systems : a holistic inquiry

Comparison and optimization of chromatographic conditions for separation of cyclic dynorphin A analogues from linear byproducts

Base inclinations for DNA in solutions and films as revealed by linear dichroism

Inheritance of durable type disease resistance to leaf rust in wheat (Triticum aestivum L.em Thell)

Robust controller design for robotic manipulators with saturation

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