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Creator:: Lu, Shengjun
Abstract:: Three Nelder plots of 3-year-old red alder (Alnus rubra Bong) were used for this study at the Cascade Head Experimental Forest, Oregon in the growing season of 1988 at an elevation of 330 meters. Each Nelder plot represented a range of densities from 238 to 101,219 trees per hectare. The...
Resource Type:: Masters Thesis

Creator:: Oliva, Ruben N.
Abstract:: Both red (Trifolium pratense L.) and white (Trifolium repens L.) clover seed yields can be highly variable and low in western Oregon. The objectives of this study were to: i) determine crop water requirements and supplemental irrigation timing, and ii) quantify the effects of soil and water status on inflorescence...
Resource Type:: Dissertation
Full Text:: conditions of western Oregon. Water Relations in Red and White Clover Seed Crops by Ruben N. Oliva A

Creator:: Navarro, Sarah M.
Abstract:: Described as one of the most destructive pathogens of agricultural crops and forest trees, Phytophthora is a genus of microorganisms containing over 100 known species. Phytophthora alni has caused collar and root disease in alders throughout Europe and a form of the species has recently been isolated in North America....
Resource Type:: Masters Thesis
Full Text:: recently been isolated in North America. Red alder, Alnus rubra, is native to Oregon and has been

Creator:: Taylor, Robert Lynn
Abstract:: This study was initiated to make some preliminary evaluations of the effects of red alder (Alnus rubra, Bong.) leaf fall on stream water quality, particularly water color. Laboratory tests were also conducted to better understand the effects of leaf loading, duration of leaf leaching, and type of leaching on changes...
Resource Type:: Masters Thesis

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