Index Catalog // ScholarsArchive@OSU

Influence of spacing and crown recession on wood quality of intensively-managed young-growth Douglas-fir

Creator:: Robbins, James M.
Abstract:: Intensive management of young-growth Douglas-fir plantations has emphasized volume growth over wood quality. A better understanding of the variables that affect wood quality is needed so that wood quality and stand yield can be systematically combined into a silviculture program. This experiment utilized two separate experiments to establish the relationship...
Resource Type:: Masters Thesis
Full Text:: density, 1 :2 rectangularity of spacing did not affect indicators of \NOOd quality relative to 1: 1

Carrot Seed Pollinator Survey

Creator:: Rathbone, Lora, Lunden, Jeff D., and Mayer, Daniel F.
Resource Type:: Conference Proceeding
Full Text:: carrot seed pollination in the absence of honey bees. Open-pollinated, Temik treated, carrot seed fields

Estimation of Soil Particle Size Distribution using CT Scans

Creator:: Boath, Max E.
Abstract:: Remote sensing techniques have been applied extensively in geospatial investigations, but their use in measuring soil physical attributes has been far less explored. Soil particle size distributions (PSD) are indispensable in modeling pedological and hydrological processes as well as biodiversity. However, estimation of PSD via gravimetric measurement methods, the standard...
Resource Type:: Masters Thesis
Full Text:: : Estimation of Soil Particle Size Distribution using CT Scans Abstract approved

Soil Water Tension Irrigation Criteria Affects Both Stevia Rebaudiana Leaf Yield and Leaf Steviol Glycoside Composition

Creator:: Parris, Cheryl A.
Abstract:: Stevia (Stevia rebaudiana) is a perennial herbaceous plant native to Paraguay and used traditionally by the native Guarani peoples for centuries to sweeten medicinal teas. Stevia has only been commercially cultivated over the past 50 years and cultural practice information suitable for implementation by growers is limited. Currently stevia’s commercial...
Resource Type:: Masters Thesis
Full Text:: . Title: Soil Water Tension Irrigation Criteria Affects Both Stevia Rebaudiana Leaf Yield and Leaf

Growing hazelnuts in the Pacific Northwest : orchard design

Creator:: Olsen, Jeff L. and Oregon State University. Extension Service
Abstract:: 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.
Resource Type:: Technical Report
Full Text:: -acre early yield is double that of a standard orchard. Rectangular spacing of 10 × 20 feet with 218

Instructors as learning managers : span of control as a factor of class size in higher education

Creator:: McKiel, Carol J.
Abstract:: Research suggests that a key factor in student persistence and success is the relationships students form with faculty (Chickering & Gamson, 1991; Kuh et al., 2005; Tinto, 1987). While it appears to be intuitive that small classes would promote these instructor/student relationships, research on class size provides conflicting results, with...
Resource Type:: Dissertation
Full Text:: : Instructors as Learning Managers: Span of Control as a Factor of Class Size in Higher Education

Tolerance of carrots to bicyclopyrone and tolpyralate, 2016 : Oregon Processed Vegetable Commission Final Project Report

Creator:: Peachey, Ed and Waters, Tim
Abstract:: Experiments in Corvallis, OR and Pasco, WA evaluated the potential of bicyclopyrone, tolpyralate, halosulfuron and EPTC for weed control in carrots. Bicyclopyrone and tolpyralate significantly reduced plant stand, injured carrots, and reduced yield at all three rates. Only bicyclopyrone at 0.875 oz/A and tolpyralate at 1 oz/A provided yield within...
Resource Type:: Technical Report
Full Text:: study was to demonstrate carrot crop safety and efficacy of bicyclopyrone and tolpyralate in Oregon and

Selection on larval and adult body size in a marine fish: potential evolutionary responses and effects on population dynamics

Creator:: Johnson, Darren W.
Abstract:: Many species have complex life cycles in which a dispersive larval stage is followed by a relatively sedentary adult stage. For such species, reproductive output is often high and large variation in survivorship throughout early life-history phases (eggs and larvae) can lead to dramatic fluctuations in recruitment which may in...
Resource Type:: Dissertation
Full Text:: response in larval size that may strongly affect the overall evolutionary trajectory of larval traits

Management guide for drip irrigation on seed carrots in central Oregon

Creator:: Oregon State University. Extension Service, Weber, C. E. (Caroline E.), Butler, M. D., Campbell, C. K., Holliday, B. A., and Klauzer, J.
Abstract:: In 2000 and 2001, research at the Central Oregon Agricultural Research Center in Madras, Oregon evaluated drip irrigation significant reduction in water usage, increased seed yields, and a decrease in disease. As a result, drip irrigation was placed in commercial fields in 2002. Drip irrigation is now used in the...
Resource Type:: Technical Report
Full Text:: from the carrot row. If 24-inch centers are used, the tape commonly is placed down the center of the

A comparison of four methods of selection for the improvement of grain yield in winter by spring wheat crosses (Triticum aestivum, L. em Thell)

Creator:: Oritiz Ferrara, Guillermo
Resource Type:: Dissertation
Full Text:: improvement of grain yield in winter by spring wheat crosses (Triticum aestivum, L. em Thell) AM ABSTRACT OF

ScholarsArchive@OSU

Influence of spacing and crown recession on wood quality of intensively-managed young-growth Douglas-fir

Carrot Seed Pollinator Survey

Estimation of Soil Particle Size Distribution using CT Scans

Soil Water Tension Irrigation Criteria Affects Both Stevia Rebaudiana Leaf Yield and Leaf Steviol Glycoside Composition

Growing hazelnuts in the Pacific Northwest : orchard design

Instructors as learning managers : span of control as a factor of class size in higher education

Tolerance of carrots to bicyclopyrone and tolpyralate, 2016 : Oregon Processed Vegetable Commission Final Project Report

Selection on larval and adult body size in a marine fish: potential evolutionary responses and effects on population dynamics

Management guide for drip irrigation on seed carrots in central Oregon

A comparison of four methods of selection for the improvement of grain yield in winter by spring wheat crosses (Triticum aestivum, L. em Thell)

Limit your search

Academic Affiliation

Advisor

Commencement Year

Committee Member

Conference Name

Conference Section/Track

Creator

Contributor

Date

Decade

Degree Field

Degree Level

Degree Name

File Format

Funding Body

Language

License

Location

Non-Academic Affiliation

Peer Reviewed

Resource Type

Rights Statement

Subject

Search Constraints

Search Results

Limit your search