Faculty

Department Head

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Thomas Chastain
Department Head
541-737-5730
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Faculty

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Sam Angima Sam Angima
Associate Dean of Extension
541-737-3742
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Extension Small Farms Program

Josephine Antwi
Assistant Professor, Irrigated Crop Entomology Specialist
541-567-6337
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Lygus bugs and other secondary insect pests transmitting potato pathogens in potatoes
Stephen Baluch
Assistant Professor (Sr Res)
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Judit Barroso
Associate Professor
541-215-8967
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My responsibilities include to develop and lead research and outreach programs that integrate chemical, cultural, and mechanical weed control measures using new or novel approaches for weed management in the wheat-based production systems of eastern Oregon. They will focus on weed management...

Pete Berry
Assistant Professor
541-737-5754
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Weed Science

Carlos Bonilla Carlos Bonilla
Director-HAREC
541-567-6337
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Soil physics and hydrology
Francisco Calderon
Director-CBARC
541-215-8987
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soil organic matter and soil fertility in dryland wheat production fields
Burl Carpenter
Instructor
  • Online Soil Science Education
  • Technology and the Online Classroom
  • Ancient Agriculture
  • Geoarchaeology
James Cassidy
Senior Instructor II
541-737-6810
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  • Soil Science Education
  • Organic & Sustainable Agriculture and Food Production.
  • Service Learning
  • Student Farming
Brian A. Charlton
Senior Instructor I
541-883-4590
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Potato Variety Development and Other Row Crops

  • Cultural Management
  • Pest and Disease Control
  • Seed Production
  • Irrigation Efficiencies
Thomas Chastain
Department Head
541-737-5730
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Welcome to the Department of Crop and Soil Science

The Department of Crop and Soil Science (CSS) consists of more than 100 on-campus faculty and staff, and off-campus faculty located at branch experiment stations and county extension offices throughout the state. ...

Alyssa Duval
Instructor
541-737-1131
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As a farmer, I appreciate the deep connection between agricultural and natural systems.  I enjoy sharing these perspectives and lessons learned over the years (from my involvement in production agriculture as well as research findings) with students here in Oregon and across the globe.

...
Sabry Elias Sabry Elias
Professor (Sr Res)
541-737-4799
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Seed Science and Technology

Seed quality evaluation in relation to the physiology of seed germination, vigor, dormancy, storability, post-harvest technologies, and the relationship to field performance. Accepts only self-funded graduate students.

Joel Felix
Associate Professor
541-889-2174
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My research program focuses on development and support of weed management tactics that address grower economic growth while enhancing environmental stewardship for a viable and sustainable agriculture. I believe that understanding weed biology and ecology is a key to effective weed management in...

Melissa Fery
Associate Professor (Practice)
541-730-3538
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Small Farms, Agricultural Tourism
Shayan Ghajar
Assistant Professor (Practice)
541-737-6131
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Organic, transitioning, and low-input sustainable pasture and forage management for producers in Oregon.
Ryan Graebner
Assistant Professor (Practice)
541-359-7151
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Extension Cereal Variety Program
Columbia Basin Agricultural Research Center
48037 Tubbs Ranch Rd.
Adams, OR 97810

Jillian Gregg
Senior Instructor I
541-829-0456

Climate Change science and solutions

 

Lauren Gwin
Associate Professor
541-737-1569
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Community Food Systems
Mary Halbleib
Professor (Practice)
541-737-2683
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Mary creates professional development opportunities for Extension faculty and staff in the College of Agricultural Sciences, providing evidence-based approaches to outcome-based adult education, curriculum design, and train-the-trainer programs.

She aims to empower Extension...

David Hannaway
Professor
541-737-5863
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Forage Program Director with research, teaching, extension, and international activities focused on matching forage species to locations based on climate, soils, intended use, and management and alfalfa crop simulation modeling. Undergraduate and graduate teaching and student advising. State,...

Kimberly Japhet
Senior Instructor I
541-609-0939
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Online Course Development and Delivery, facilitating professors building courses and students taking online offerings.

 

Valtcho Jeliazkov Valtcho Jeliazkov
Associate Professor
541-737-5877
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  • Long-term effects of agricultural practices on production systems
  • Hemp, oilseeds, essential oil and medicinal plants, plant chemicals
  • Utilization of plant chemicals as alternatives to synthetic plant hormones, growth regulators, and pesticides
  • ...
Gordon Jones
Associate Professor (Practice)
541-447-6228
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Agronomy Extension in Central Oregon
Navneet Kaur
Assistant Professor
541-737-5884
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Applied research and extension programming for IPM development and implementation in Oregon diverse cropping systems.
Jordan Kersey Contact person by email

Markus Kleber
Professor
541-737-5718
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The processes at the interface between organic matter and mineral surfaces, including mineral surface properties, organic matter properties, bonding mechanisms, adsorption processes, mineral-microbial interactions, and organic matter turnover dynamics.

Projects:...

Margaret Krause
Assistant Professor | Warren Kronstad Wheat Research Chair
541-737-6709
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Wheat and barley breeding and genetics
Kate Lajtha
Professor
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Nutrient cycling in natural and human-disturbed ecosystems, including the attenuation of increased nitrogen inputs to terrestrial ecosystems by soils and vegetation, detrital controls on soil organic matter formation.

I am not accepting new graduate students at this time.

Alicia Leytem
Instructor
541-737-8568
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Deanna Lloyd
Senior Instructor I
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I teach classes for the Sustainability Double-Degree Program and the Department of Horticulture - both on the Corvallis campus and through Ecampus.  My instructional duties also include coordination of service-learning projects for large undergraduate courses (SOIL 205, SUS 350, and SUS 304...

Larry Lutcher
Professor
541-676-9642
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Dryland Cereal Production

Stephen Machado
Professor
541-215-8916
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Stephen Machado leads the OSU's long-term research activities at CBARC Pendleton, CBARC Moro, and in Heppner in eastern Oregon. He is the Dryland Cropping Systems Agronomist for the semiarid Northcentral and Northeast Oregon. His responsibilities include establishing research priorities,...

Jordan Maley
Instructor
541-442-2271
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Agricultural watershed monitoring & alternative dryland crops

Michelle Markesteyn
Associate Professor (Practice)
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Rory Mc Donnell
Associate Professor
541-737-6146
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1) understanding the ecology of invasive slugs and snails in agriculture, horticulture, urban areas, the natural environment and at the interface of these systems, and 2) developing and implementing novel strategies for the management of these pests
Brigid Meints
Assistant Professor (Sr Res)
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  • Breeding multi-use naked barley for organic systems
  • Breeding early maturing dry beans for western Oregon
  • Organic Grains & Pulses Extension
Megan Mobley
Senior Instructor II
541-737-5751
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I develop and teach Soils courses in the Crop and Soil Science Department, both on the Corvallis campus and via Ecampus.

Amber Moore
Associate Professor, Extension Soil Fertility Specialist
541 737-7870
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The focus of my position is to conduct applied research and to develop nutrient and lime recommendations that improve nutrient use efficiency by large acreage crops grown in Oregon. The crops of primary focus are on grass grown for seed, cereals, and potatoes, with a secondary focus on minor...

Leon Nguyen
Instructor
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Julie Pett-Ridge
Professor
541-737-1236
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Geochemical, hydrologic, and biogeochemical processes in the critical zone
Global carbon cycle
Ecosystem nutrient sources and cycling
Radiogenic and metal isotope tracers

Website

Jacob Powell
Assistant Professor (Practice)
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Yan Ping Qian
Associate Professor Senior Research
5417609250
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My general research activities are chemistry, composition, and quality of post-harvest crops, with a focus on aroma and flavor compounds identification, chemical characterization, and analysis; and soil chemistry.

 

Ruijun Qin
Associate Professor
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Nutrient & water management, crop production, cropping system, cover crops, organic amendment, environmental quality, soil health, soil fumigation, roots, & tillage systems

Stuart Reitz
Director
541-889-2174
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Responsible for research and extension programming related to cropping systems in Malheur County

IPM

Ecology and management of insect vectors of plant pathogens

Ron Reuter
Associate Professor
541-737-5703
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Ron's Webpage: http://people.oregonstate.edu/~reuterr/

Lorien Reynolds
Senior Instructor I
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Victor Hugo Vidal Ribeiro
Assistant Professor
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My applied research and extension program focuses on developing practical, science-based solutions to address weed management challenges across Oregon cropping systems. My research interests include herbicide resistance, herbicide fate in the environment and non-target impacts, integrated weed...

Silvia Rondon
Director - OIPMC
Contact person by email Integrated Pest Management; Insects-Plant Interactions; Biological Control; Insect Ecology-Insect Movement; Chemical Control
Richard Roseberg 541-883-4590
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Research interests include crop water use, irrigation, water and chemical movement through soil, macropore flow, water quality, and alternative crop evaluation and management in a semi-arid climate.

Andrew Ross
Professor
541-737-9149
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Fundamental and applied research of cereal grain components, wheat-based foods (focused on food barley, noodles, and artisan breads), and bio-products from cereal grain fractions. Located in the OSU Cereal Breeding & Cereal Genetics Program.
Vidyasager Sagar Sathuvalli 541-567-6337 Plant Breeding, Genetics and Genomics
Stefan Seiter
Senior Instructor II
541-737-6372
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  • Nutrient Cycling
  • Cropping Systems
  • Regenerative Agriculture
  • Agroforestry
  • Soil Health Management 
Udayakumar Sekaran
Assistant Professor
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Clare Sullivan
Academic Wage-Salaried
541-967-3871
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Small Farms and General Agronomy
Christy Tanner
Assistant Professor (Practice)
Contact person by email Field crop production in the South Willamette Valley
Abigail Tomasek
Assistant Professor
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Shaun Townsend
Associate Professor (Sr Res)
541-737-5099
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The Aroma Hop Breeding Program is tasked with developing new hop cultivars, adapted for Oregon growing conditions, with a focus on essential oil quality. This program interacts closely with Dr. Tom Shellhammer's program in the Food Science & Technology Department to characterize the...

Kimberly Townsend
Senior Instructor I
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Elizabeth Verhoeven
Instructor
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field crop production in the mid-Willamette Valley; grass seed, oilseeds, mint, hops, small grains, wheat

Darrin Walenta
Associate Professor
541-963-1010
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Extension Agronomist with field crop responsibilities in Union, Baker, and Wallowa Co.

Tracy Wilson
AC-FCH Agri Literacy Coord
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Agricultural Literacy

Donald Wysocki
Associate Professor (Practice)
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Focused on dryland cropping systems, soil, water and nutrient management, soil erosion, soil quality, and rotational crops.

Research projects are concerned with improving management of soils under dryland farming systems in relation to soil and water conservation, crop rotation, nutrient...

Yakun Zhang
Assistant Professor
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My lab focuses on integrating field observations, proximal and remote sensing, and modeling to study soil and landscape relationship and critical zone properties and processes across scales. Through these activities, we aim to 1) improve assessment and monitoring capacity of soil properties...

Jing Zhou
Assistant Professor
5417378493
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I work on diverse research areas in Precision Agriculture by developing and applying apply technologies in remote sensing, machine learning, computer vision, and robotics

Professional Faculty

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Daniel Curry
Dir-Seed Services
541-737-5094
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Crop Science Building

Crop Science Building 351B

3050 SW Campus Way

3050 SW Campus Way
Corvallis, OR 97331
Rebecca Thistle...
Director, NMPAN
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David Zarling
NMPAN Program Manager
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Courtesy Faculty

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Nicole Anderson Nicole Anderson
Associate Professor
Faculty
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The primary focus of my program is to conduct applied research and Extension outreach in grass and legume seed crops in Oregon.

Caio Augusto De...
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Faculty
541-737-5754
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His research integrates physiological, biochemical, molecular, and analytical approaches to understand the evolutionary basis of herbicide resistance, and how integrated pest management strategies may be used to prevent...

Colin Curwen McAdams
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David D Amore
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Biswanath Dari
Courtesy Appointment
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  • Sustainable agriculture
  • Crop production
  • Soil health and Nutrient cycling
  • Agricultural resources (fertilizer, irrigation water, post-harvest residue) management
  • Environmental (soil and water quality) protection
  • Promoting...
Seth Dorman
Courtesy Appointment
Courtesy Faculty
541.738.4157
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Entomology, Integrated Pest Management, Insect Ecology, Insect Toxicology

The broad focus of our research group is to understand the ecology and population dynamics of critical arthropod pests and beneficial...

David Gent
Courtesy Appointment
Courtesy Faculty
541-738-4167
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Plant Pathology, Disease Ecology, Disease Epidemiology

  • Our research centers around better understanding the epidemiology and biology of downy mildew and powdery mildew diseases, Fusarium diseases, and durable host resistance. Our research has both basic and applied aspects,...
John Havlin
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Ryan Hayes
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John Henning
Courtesy Appointment
541-738-4145
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USDA-ARS

Dustin Herb
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Mark G. Johnson
Courtesy Appointment
541-754-4696
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Soil Scientist

US-EPA

Jennifer Kling
Courtesy Appointment
541-737-8277
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  • Plant breeding and genetics curriculum development and distance learning
  • Quantitative genetics
  • Experimental design and statistics
  • Breeding specialty crops for niche markets in Oregon (currently oats, flax, corn and meadowfoam)
Leon Liegel
Courtesy Appointment
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Research/Career Interests

NOTE: Current position does not allow grant fund solicitation and support of graduate students.

- Teach Ecampus SOIL 511: knowledge of soil biological, chemical, and physical properties + societal...

Rebecca Lybrand
Courtesy Appointment
541-737-1039
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Pedology

Jonathan Maynard
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Jennifer Moore
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Maria Munoz-Ama...
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David Olszyk
Courtesy Appointment
541-754-4397
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Jennifer Parke
Courtesy Appointment
Faculty
541-737-8170
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Google Scholar Citations: https://scholar.google.com/citations?user=cqxRnLgAAAAJ&hl=en&oi=ao

Areas of expertise:

  • Phytophthora diseases of woody plants
  • ...
Susanna Pearlstein
Courtesy Appointment
(541) 754-4534
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Claire Phillips
Courtesy Appointment
541-737-3425
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Teaching in environmental science, global change biology, forest and soil science, and sustainability. Research in global change and landuse impacts on forests and soils, natural and anthropogenic greenhouse gas emissions, carbon storage and sequestration.

Daniela Resende...
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Dr. John Selker John Selker
Univ Distinguished Professor
Faculty
541-737-6304
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  • Hydrologic Instrumentation;
  • Vadose Zone Hydrology;
  • Groundwater Hydrology;
  • Stochastic Hydrology; and
  • Contaminant Transport.
Anne Taylor
Courtesy Appointment
Faculty
541-737-4136
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  • Physiological attributes of nitrification in soils
  • Contributions of ammonia-oxidizing archaea and bacteria to soil ammonia-oxidation
  • Drivers of uncoupling of ammonia and nitrite oxidation in...