The information in these reports is for the purpose of informing cooperators in industry, colleagues at other universities, and others of the results of research in field crops. Reference to products and companies in these publications is for the specific information only and does not endorse or recommend that product...
The information in this report is for the purpose of informing cooperators in industry, colleagues at other universities, and others of the results of research in field crops. Reference to products and companies in this publication is for specific information only and does not endorse or recommend that product or...
Since its inception in 1985, the Tri-State variety development program has primarily focused on the development of processing and dual-purpose (process and fresh) russets. Recent breeding efforts have focused more on improving genetic resistance to various pests and diseases as a means of lowering production costs. During the past decade,...
Results from vegetation management trials involving horticultural crops conducted during the past year are compiled and reported by faculty members of the Oregon Agricultural Experiment Station, the Oregon State Extension Service, and colleagues who cooperated from adjacent states along with local enterprises. This work was conducted throughout Oregon and involved...
Climate Change in the Northwest: Implications for Our Landscapes, Waters, and Communities is a report aimed at assessing the state of knowledge about key climate impacts and consequences to various sectors and communities in the Northwest United States. This report draws on two recent state climate assessments in Washington in...
The ultimate goals of this project are to 1) provide farmers with data-based advice on maintenance and enhancement of habitat for native wildlife based on what species are using the remnant/unfarmed patches on producers farms and to 2) provide background knowledge and data to enable development of a larger project...
The objectives were to evaluate crop safety and weed control with Reflex (fomesafen) applied to snap beans and Reflex and Spartan to edamame. Reflex caused very little injury to snap beans at two sites when applied PRE and only minor injury when applied EPOST. Tank mixes with Dual Magnum were...
Clubroot, caused by Plasmodiophora brassicae, affects all species of the Crucifer family, including wild mustard. It is a fungus-like microorganism that can persist in soil in the form of durable resting spores for 18 years or longer after an infected crop. These resting spores can be spread through any means...
Weed interference is a major, ongoing pest problem in sweet corn and a diverse community of weeds persists until harvest in most fields. Impact herbicide was used for the first time in 2006 with great success, and a registration for Laudis was granted in November of 2007. These registrations have...
The objective of this research was to determine best use patterns for Upbeet herbicide considering factors of preemergence herbicide and cultivation, and how these affect optimum timing for Upbeet applied with or without Spin-Aid for control of weeds such as nightshade and lambsquarters.
The enhanced efficiency (EEF) products we tested in our study hold the potential to increase the nitrogen utilization efficiency of sweet corn as well as reduce nitrate leaching when all N fertilizer is applied before planting. However, this potential is limited by weather (i.e. large early season rainfall events), irrigation...
Although Oregon is the #2 snap bean producer in the US, yield of snap beans per acre is greater in Oregon than any other state (USDA NASS 2012). Despite the scale and importance of snap bean production in Oregon, almost no research has been done on phosphorus (P) utilization over...
Sweet corn is susceptible to various pathogenic Fusarium species and has been long known to be subject to early season diseases of seed rot and seedling blight as well as root rot and later season problems with stalk rot and ear rots. More recently, fields in the Willamette Valley of...
The analysis contained in this report is a result of work conducted in October 2013 by Julie Risien and John Falk of the Center for Research on Lifelong STEM Learning located at Oregon State University. This undertaking should not be considered research, but an exercise intended to provide insights that...
The OSU Center for Research for Lifelong STEM Learning with support from the OSU Research Office and in collaboration with OSU Outreach and Engagement, convened a “Broader Impacts Invitational Workshop” on December 7, 2012. The workshop solicited opinions and perspectives from 65 participating faculty who were broadly representative of OSU’s...
This report delineates reasonable objectives, based upon the best scientific and commercial data available at the time of its release, for the conservation and survival of greater sage-grouse. Individual team members contributed by providing technical information and data, participating in critical discussions, providing critical reviews and edits, or authoring sections...
The condition of the sagebrush ecosystem has been declining in the Western United States, and greater sage-grouse (Centrocercus urophasianus), a sagebrush-obligate species, has experienced concurrent decreases in distribution and population numbers. This has prompted substantial research and management over the past two decades to improve the understanding of sage-grouse and...
This report documents and summarizes several decades of work on sage-grouse populations, sagebrush as habitat, and sagebrush community and ecosystem functions based on the recent assessment and findings of the USFWS under consideration of the Endangered Species Act. As reflected here, some of these topics receive a greater depth of...
The Integrated Landscape Assessment Project (ILAP) was a multi-year effort to produce information, maps, and models to help land managers, policy-makers, and others conduct mid- to broad-scale (e.g., watersheds to states and larger areas) prioritization of land management actions, perform landscape assessments, and estimate cumulative effects of management actions for...
On Feb. 24, 2011, thirty-one people met at the Charleston Power Squadron building in Charleston, Oregon, to develop a foundation for a Partnership for Coastal Watersheds (PCW) Collaboration Compact. This document outlines the commitment of Partnership members and the practice of ―collaboration‖ as a central feature of the PCW. On...
As the ocean wave energy field continues to mature,
developers need a generic modeling methodology to test their
designs before building prototypes. A design methodology for a
first-pass time-domain simulation is a goal of this work. Built on
results from the frequency domain analysis, the general
procedure for obtaining time...
Abstract— A highly idealized model of an ocean-fjord system, in which the tide is forced astronomically by the gravitational force of the moon, is used to study effects of localized tidal energy extraction on regional and global tides. The modeled system is energetically complete in the sense that the model...
Producing precise and helpful error messages for type inference is still a challenge for implementations of functional languages. Current approaches often lack precision in terms of locating the origins of type errors. Moreover, suggestions for how to fix type errors that are offered by some tools are also often vague...
Alaska fishing charter service owners are seeking an increased share of halibut fish resources be reserved for the recreational guided angler sector. An organization representing the owners who fish in the International Pacific Halibut Commission Regulatory Area 2C (southeast Alaska) and Area 3A (southcentral Alaska) titled the Catch Accountability through...
The objective of this study is to identify potential end-users of the test center and their needs. The findings will inform the infrastructure design and the services offered for the PMEC South Energy Test Site.
Oregon Wave Energy Trust (OWET) is a nonprofit public-private partnership funded by the Oregon Innovation Council. Its mission is to support the responsible development of wave energy in Oregon. OWET emphasizes an inclusive, collaborative model to ensure that Oregon maintains its competitive advantage and maximizes the economic development potential of...
Pacific Energy Ventures has partnered with utility industry and variable energy resource characterization experts, Ken Dragoon (Ecofys), Jeff King and Gordon Reikard to provide the Oregon Wave Energy Trust (OWET) a comprehensive analysis aimed at further validating wave energy as an economical and viable part of the Northwest’s energy portfolio....
Three-dimensional symmetric tensor fields have a wide range of applications in solid and fluid mechanics. Recent advances in the topological analysis of 3D symmetric tensor fields focus on the local behaviors of tensor fields at degenerate points, which usually form curves. In this paper, we make a number of observations...
The Southern Oregon Forest Restoration Collaborative (SOFRC), the Model Forest Policy Program (MFPP) and the Rogue River-Siskiyou Forest Service (RRSFS) have a shared vision to enhance the resiliency of our communities and forests. In 2012, the Collaborative took the leadership role to engage in the Climate Solution’s University (CSU) Plan...
From 26 March – 19 September 2013 we monitored the distribution, abundance and productivity of the federally Threatened Western Snowy Plover (Charadrius nivosus nivosus) along the Oregon coast. From north to south, we surveyed and monitored plover activity at Sutton Beach, Siltcoos River estuary, the Dunes Overlook, North and South...
La chinche de encaje (Stephanitis pyrioides) de la azalea, también conocida como “azalea lace bug” en ingles, es una nueva plaga que causa daños considerables en las azaleas y los rododendros. En esta publicación hay información sobre ciclo de vida del insecto, cómo el daño se caracteriza, monitoreo y control.
This guide provides nutrient and lime recommendations for establishment of turf and forage perennial ryegrass grown for seed in western Oregon. Healthy plants with adequate root systems are required to obtain the greatest return from your fertilizer investment. The nutrient recommendations in this guide assume that adequate control of weeds,...
Forest landowners are interested in practicing alternative silviculture methods on their property without having to clearcut. This publication describes a case study on management of a mixed conifer and hardwood forest in southwest Oregon. The landowners’ management philosophy is to promote mature forest conditions while maintaining multiple species and age...
Discusses ways to apply integrated pest management principles to management of 12-spot beetles (Western spotted cucumber beetle) in snap beans. Covers pest description, crop damage, biology and life history, scouting and thresholds, and sweep net sampling. Presents information in English and Spanish.
This workbook is an Excel spreadsheet that allows homeowners to compare the cost of using firewood or wood pellets with other fuels for heating their home.
How do you know whether to switch from one home-heating source to another? This publication can help you decide by comparing the costs of available energy sources. Includes a step-by-step guide and a downloadable calculator to help you compare.
This publication is a spreadsheet with accompanying instructions. It allows timber owners to compare the pricing strategies for four different mills to determine which mill specifications will return the highest possible revenue based on the dimensions of trees on the landowner’s property.
This publication lists the components of a comprehensive nutrient management strategy and provides nutrition guidelines for mature and new hazelnut orchards.
This publication describes hazelnut orchard weed management practices including flailing, herbicides, intercropping, cover crops, and sucker control. It also briefly describes procedures used during nut fall and harvest.
This publication outlines hazelnut orchard design considerations, including density and yield, spacing and arrangement of permanent trees, and loading zones. It also includes a brief description of procedures for establishing a new orchard.
This publication describes factors to consider when deciding to plant a hazelnut orchard and includes a table of native productivity ratings for soil series types in the Willamette Valley.
This publication provides a glossary of botanical terms related to hazelnut pollination and describes the flower and nut development process, pollination, and related issues.
This publication includes tables that summarize characteristics of the main hazelnut varieties produced in the United States, lists varieties' susceptibility to eastern filbert blight, and shows varieties' compatibility with each other for pollination.
This publication provides guidelines for purchasing and propagating planting stock. It describes simple layering, tie-off layering, grafting, and cuttings.
This publication gives a brief introduction to hazelnuts, which are sometimes called filberts. It provides an overview of hazelnut history, growth and production, geographic distribution, and hazelnut industry organizations.
This publication provides a framework, general recommendations, and rationales to aid potato growers interested in maximizing their land use and crop yield through drip irrigation. Discusses bed conformation, pumps and filters, system maintenance, microirrigation criteria, and chemigation.
This publication provides a framework, general recommendations, and rationales to aid hybrid poplar growers interested in maximizing their land use and wood production through drip irrigation.
This publication provides a framework, general recommendations, and rationales to aid onion growers interested in maximizing their land use and crop yield through drip irrigation.
These documents resulted from a summer 2013 internship for a OSU Systems Engineering student. Mr. Applegate was charged with documenting the existing seawater system at the Hatfield Marine Science Center and recommending efficiency upgrades. He produced a written report with various appendices containing system documentation and recommendations and a map....
This publication provides an overview of how various silvicultural treatments affect fuel and fire behavior, and how to create fire-resistant forests. In properly treated, fire-resistant forests, fire intensity is reduced and overstory trees are more likely survive than in untreated forests. Fire-resistant forests are not “fireproof” – under the right...
Forest landowners are interested in practicing alternative silviculture methods on their property without having to clearcut. This publication describes a case study on shelterwood harvest and two-aged stand management of a forest in the Oregon Coast Range. The landowner’s core management philosophy is to create forests that are both ecologically...
Forest landowners are interested in practicing alternative silviculture methods on their property without having to clearcut. This publication describes a case study on Individual Tree Selection (ITS) in a mixed conifer forest in Northeast Oregon. ITS is of interest because it provides a continuous forest canopy; potentially reduces reforestation costs;...
An overview of how a variety of wild and managed bees and their pollination activities are affected by pesticide application. Provides guidelines for how beekeepers, growers and pesticide applicators can work together to prevent bee poisoning.
Laboratory soil tests help you develop and maintain more productive soil and increase crop production by providing information on the available nutrient content of your soil. Soil testing helps you select the correct kind and amount of fertilizer and liming material. Recommendations are based on the results of fertilizer experiments,...
The Coos Estuary Inventory Project, an in-depth assessment of environmental and socio-economic status and trends, is part of Phase 2 of the Partnership for Coastal Watersheds. The project began in January 2013 and is focused on the larger Coos estuary and its direct tributaries.
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The first wave energy test at the Northwest National Marine Renewable Energy Center’s (NNMREC) North Energy Test Site (NETS) off the coast of Newport, OR took place in 2012 with the deployment of the WET-NZ wave energy conversion (WEC) device and the Ocean Sentinel instrumentation buoy. The WET-NZ and Ocean...
Strategic planning and external reviews of HMSC programs highlighted local strengths, and recognized significant untapped potential for expanding HMSC academic programs. More recently, OSU has looked toward HMSC and Newport as the next site for significant expansion of educational opportunities to include an additional 500 or more students. The purpose...
This toolkit is part of a larger project to employ innovative Extension techniques and technologies to engage a fast-growing yet traditionally underserved and socially disadvantaged segment of forest owners in the United States. This project is designed to engage women woodland owners with an empowering, peer-learning approach. The toolkit focuses...
Несколько видов ягодных культур коммерчески выращивают в штате Орегон, в том числе, летом плодоносящие и плетье-плодоносящие малины (красная и черная) и ежевика то есть ажина. Эта публикация направлена на оценку содержания и внесения питательных веществ, применяющихся в выращивании кустарных ягод в западной части Орегона.
It is well established that annotating occurrences
of entities in a collection of unstructured or semi-structured
text documents with their concepts (i.e. entity sets), called
semantic annotation, improves the effectiveness of answers to
users’ queries. However, an enterprise has to spend large amount
of financial, computational, and human resources to...
The mountain beaver is a medium-sized rodent of the western Pacific Northwest. Mountain beavers cause damage to forest regeneration by clipping or girdling seedlings or saplings or both, and undermining roots. Methods to control mountain beaver include trapping, toxicants, exclusion, repellents, and habitat modification. This publication describes and recommends a...
Soil acidity, expressed by low soil pH, causes reduced crop growth and significant economic loss. It is the most commonly overlooked and poorly understood yield-limiting factor in western Oregon and a developing concern in eastern Oregon. This publication describes the concept of soil acidity and the limitations it causes for...
Large raspberry aphid, Amphorophora agathonica, is an important pest in red and black raspberries in the Pacific Northwest. It transmits plant viruses that cause decreased cane vigor and fruit quality, making it a significant pest for growers. This publication includes aphid identification, biology, monitoring techniques, and control methods.
Two types of smut attack corn in the Pacific Northwest: common smut and head smut. This publication provides descriptions of symptoms and the disease cycle, and management strategies (which differ considerably between the two types). There is also significant new information, particularly related to common smut, regarding losses and control...
Short report on OSU Libraries' "Web of Science" project. Started in 2012 the research output from Oregon State University (as represented in peer reviewed journal articles) was monitored weekly using an RSS feed from the Web of Science database. When available and where consistent with retained author rights, these articles...
Azalea lace bug is an emerging pest in Oregon that can be quite damaging to azaleas and rhododendrons, very popular plants in Oregon nurseries and landscapes. This publication offers information on identification, timing, and management options for this new pest.
The purpose of this memorandum is to provide a preliminary seismic assessment of the ODFW HMSC Office Building in Newport, OR. This report includes a description of the local seismic hazard, a description of the building’s lateral force resisting system, a description of the methods employed to evaluate the building,...
Canopy management is critical to successful winegrape production. Canopy management begins with vineyard design and includes decisions about soil, water, cover cropping, fertilization and weed control. Shoot thinning, leaf removal, hedging and crop thinning are also part of canopy management.
In 2008, the US Department of Energy’s (DOE) Wind and Water Power Program issued a funding opportunity announcement to establish university-‐led National Marine Renewable Energy Centers. Oregon State University and the University of Washington combined their capabilities in wave and tidal energy to establish the Northwest National Marine Renewable Energy...
Pruning weights are the best way to monitor vine growth and vine size changes caused by vineyard management practices. It is easy to gather these data during routine, annual pruning.
Vineyard design and management methods that create vine balance will help sustain productive yields, achieve desired fruit quality and maintain vine health. Different climates across Oregon will affect strategies for achieving vine balance, but the basic approach is the same everywhere.
This publication addresses factors that farmers must consider when planning an on-farm composting enterprise: the composting process and its impact on water quality, site selection, facility layout and design, composting methods, and managing water and leachate. The content pertains to small and medium-size on-farm composting enterprises that handle about 100...
EXECUTIVE SUMMARY PROJECT CONTEXT ESCO Incorporated manufactures a variety of steel parts using a sand mold casting process. In this process a clamping device is used to prevent the sand mold from leaking during the pouring process. The current clamp design has several deficiencies including an uneven distribution of the...
The Strategic Agenda for Research Data Services will guide the development of data services at OSU Libraries from January 2013 to June 2014. The Strategic Agenda is informed by best practices in data management at peer universities. Major elements of the Strategic Agenda include an instructional program on data management,...
Designed to help dairy farmers calculate the costs of homegrown forages and compare them to the costs of purchasing forages. Presents typical per-acre costs of establishing, producing, and harvesting alfalfa or grass for silage to help farmers estimate costs. Explains how to compare forage production costs to alternatives by assigning...
The publication provides vineyard owners with approaches for finding the first occurrence of grape powdery mildew. The publication covers tactics to manage powdery mildew, including use of fungicides and canopy management. It also discusses effective scouting techniques based on the key characteristics of the fungus.
Prior to November 2010, when The Intertwine Alliance launched the Regional Conservation Strategy (RCS) and Biodiversity Guide (RBG) efforts for the Portland-Vancouver metropolitan region, conservation priorities in the metropolitan region were identified at a broad regional scale that generally excluded urban areas (e.g., state conservation strategies and Willamette Synthesis); were...
Report by Portland State University's Oregon Biodiversity Information Center (ORBIC), part of the Oregon University System's Institute for Natural Resources.
Pine Creek Conservation Area (PCCA), just northeast of the John Day River in Wheeler County, Oregon, was acquired in 1999-2001 by the Confederate Tribes of Warm Springs with support from the Bonneville Power Administration (BPA), to mitigate for wildlife losses created by the large, hydropower Columbia River Dams, particularly the...
In 2011, the Institute for Natural Resources – Portland (INR) entered into an agreement with the Natural Resources Conservation Service through the Cooperative Ecosystem Study Unit to assist in evaluation of a targeted watershed restoration area in central Oregon. The primary objective of the agreement was to use remote sensing...
Liming is a new practice for the inland Pacific Northwest, necessitated by soil acidification caused by nitrogen fertilization. This publication provides guidance on how to evaluate cropping systems for lime need and how to determine lime application rate.
This publication describes how to estimate lime application rate and lists criteria for choosing liming materials (source), lime application method (placement), and how often to apply lime (frequency).
We present discrete energy decay results for the Yee scheme applied to Maxwell's equations in Debye and Lorentz dispersive media. These estimates provide stability conditions for the Yee scheme in the corresponding media. In particular, we show that the stability conditions are the same as those for the Yee scheme...
Discusses the benefits of having a management plan for your property. Describes how to prepare a management plan, including describing the property, setting goals, identifying resources, making recommendations, and keeping records. Includes additional sources for information.
In 2011, USFS requested the services of Portland State University's Oregon Biodiversity Information Center (ORBIC) to update its assessment of rare plant associations that occur on coastal sand dunes. The study area in this report includes dune habitats on the Siuslaw National Forest's Oregon Dunes National Recreation Area (NRA), the...
Procedures outlined in this publication show how to estimate standing volume and annual growth of individual timber stands that are relatively uniform in species, age, size, and density. Estimates of volume and growth are helpful in planning when to harvest or how much to remove in a thinning operation. These...
This workbook is a companion to OSU Extension publication EM 9058, Measuring Your Trees. Before using this workbook, collect data following the procedures outlined in EM 9058. Then enter your data in this workbook to automatically calculate several stand volume and growth measurements and generate a printable summary report.
Tarif numbers are essential for calculating the volume of standing timber on forest land. This publication includes comprehensive tarif numbers for six species of Oregon timber--Douglas-fir, grand fir, ponderosa pine, red alder, western hemlock, and western redcedar--and the corresponding tree volumes.
Consumer demand for local food, including local meat and poultry, has risen in recent years. Meat and poultry processors are essential links in local meat supply chains. To sell meat, farmers need access to appropriately scaled processing facilities with the skills, inspection status, and other attributes to prepare these products...
Describes the symptoms and damage caused by silver scurf, a fungal disease of potatoes. Includes color photos of symptoms. Discusses sources of inoculum and the disease life cycle. Suggests management practices (seed selection, crop rotation, seed treatments, management of die-down, sanitation, harvest, and storage) to minimize disease problems.
The house mouse is an asthma trigger and disease vector, and is difficult to manage. Infestations in schools are managed with exclusion, sanitation, de-cluttering, monitoring, and heavy trapping. Inspections and monitoring focus on droppings, snap traps, and nontoxic baits. Safety precautions should be taken when handling feces and rodent carcasses.