Skip to Content

Switch language English
- Switch language
- Deutsch
- English
- Español
- Français
- Italiano
- Português do Brasil
- 中文
Login

ScholarsArchive@OSU

Home
About
Help
Contact

Search ScholarsArchive@OSU

Advanced Search

Search Constraints

Start Over

Filtering by: Committee Member McEvoy, Peter Remove constraint Committee Member: McEvoy, Peter Decade 2010-2019 Remove constraint Decade: 2010-2019

1 - 4 of 4

Relevance
Title [A-Z]
Title [Z-A]
Date Created ▼
Date Created ▲
Date Uploaded ▼
Date Uploaded ▲

Number of results to display per page

10 per page
20 per page
50 per page
100 per page

View results as:

List Gallery Masonry

Search Results

Seasonal occurrence and abundance of insect pests and natural enemies in the Columbia Basin

Creator:

Klein, Matthew L.

Abstract:

Potato (Solanum tuberosum L.) is the fourth largest food crop in the world following rice (Oryza sativa L.), wheat (Triticum spp.), and maize (Zea mays subs. mays). Potatoes arrived in the United States in the early 1600s and over the following centuries, the crop was subsequently cultivated across the country...

Resource Type:

Masters Thesis
Using stable isotopes and visual gut examination to determine the diet composition of Pterostichus melanarius (Coleoptera: Carabidae) in western Oregon vegetable row crops

Creator:

Moulton, Laurel A.

Abstract:

The omnivorous ground beetle, Pterostichus melanarius Illager (Coleoptera: Carabidae), is a ubiquitous inhabitant of western Oregon crop land. Because it is often the most abundant ground beetle, and attains densities that could lead to serious impacts on its prey sources, I sought to understand the overall diet composition, and specifically...

Resource Type:

Masters Thesis
Structuring habitat to conserve ground beetles (Coleoptera: Carabidae) and reduce summer annual weeds in agroecosystems

Creator:

Green, Jessica M.

Abstract:

Weed management in sustainable farming systems often requires the integration of several different pest management techniques. Cultural, biological, and chemical pest control efforts can be utilized to contribute to the common goal of reducing weeds in vegetable row crop systems. This research addresses how common disturbances such as tillage and...

Resource Type:

Masters Thesis
Propensity score methodology for nonignorable nonresponse

Creator:

Starcevich, Leigh Ann H.

Abstract:

When data are not missing at random, approaches to reduce nonresponse bias include subsampling nonresponding units and modeling. The objective of this thesis is to develop unbiased and precise model-assisted estimators of the population total that are applicable to data from a complex survey design with nonignorable nonresponse. When information...

Resource Type:

Dissertation

Limit your search

Academic Affiliation

Horticulture2
Crop and Soil Science1
Statistics1

Advisor

Peachey, Ed2
Lesser, Virginia M.1
Rondon, Silvia1

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 2011 to 2017

View distribution

Committee Member

McEvoy, Peter[remove]4
Mallory-Smith, Carol2
Birkes, David1
Braunworth, Bill1
Gitelman, Alix1
more Committee Members »

Creator

Green, Jessica M.1
Klein, Matthew L.1
Moulton, Laurel A.1
Starcevich, Leigh Ann H.1

Date

Date range begin – Date range end

Current results range from 2010 to 2016

View distribution

Decade

2010-2019[remove]4

Degree Field

Horticulture2
Crop Science1
Statistics1

Degree Level

Master's3
Doctoral1

Degree Name

Master of Science (M.S.)3
Doctor of Philosophy (Ph.D.)1

Language

English [eng]4

License

All rights reserved4

Non-Academic Affiliation

Oregon State University. Graduate School4

Peer Reviewed

No4

Resource Type

Masters Thesis3
Dissertation1

Rights Statement

In Copyright4

Subject

Agricultural ecology -- Oregon, Western1
Conservation tillage -- Oregon, Western1
Estimation theory1
Geocoris -- Columbia River Watershed1
Green peach aphid -- Columbia River Watershed1
more Subjects »

Scholars Archive is a service of Oregon State University Libraries & Press

121 The Valley Library
Corvallis, OR 97331-4501

Contact Us
Services for Persons with Disabilities

Powered by Hyrax 3.6.0

Copyright © 2018 Oregon State University
Licensed under the Apache License, Version 2.0

Core Trust application (pdf)