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Marshall McDaniel  marsh@iastate.edu  |  google scholar 

Associate Professor in Soil-Plant Interactions | Agronomy Department at Iowa State University

 

The fearless leader, and mischief maker.

 

Hobbies:  My spare time is spent playing guitar and bass, mtn biking, playing board games (and card games). 

Lab Manager
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Reid Barker  rwbarker@iastate.edu

Research Scientist

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Curious about water quality, soil health/conservation, and habitat conservation.

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Hobbies: hunting, fishing, gardening, and cooking.

Professional & Scientific Staff
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Tim Youngquist  timyoung@iastate.edu

Agricultural Specialist

 

Curious about water quality, perennial crops, finding space for wildlife habitat within agricultural systems.

 

Hobbies: native plant propagation, ecological restoration, old house preservation, chickens, time with my family.

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Matt Woods  mwoods@iastate.edu

Agricultural Specialist

 

Curious about everything agronomy.

 

Hobbies:  music, sports, and outdoor activities.

Postdoctoral Researchers
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Jared Flater  jflater@iastate.edu   |   google scholar   |    twitter

Postdoctoral Researcher, Ph.D. in Agriculture Biosystems Engineering from ISU in 2020

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Curious about healthy soil microbiomes, belowground systems, improving agriculture through soil biology. 

 

Hobbies: running (esp. long distance), hiking and camping with wife and dog, conservation/naturalism.

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Cole Dutter  cdutter@iastate.edu   |   google scholar

Postdoctoral Researcher, Ph.D. in Soil Science and Sustainable Agriculture from ISU 2022

 

Curious about cropping systems, soil health, farming externalities and sustainable agriculture.

 

Hobbies: beekeeping, backpacking, cycling, gardening and reading.

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Hyeonji Song  hyeonjis@iastate.edu   |   google scholar

Postdoctoral Researcher, Ph.D. in Soil Science

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Curious about soil C & N dynamics in climate change, soil and plant interactions in different cropping systems.

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Hobbies: travelling, playing drum, something historical, listening to music.

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Sebastian Villarino  sh4@iastate.edu   |   google scholar

Postdoctoral Researcher, Ph.D. in Agrarian Sciences

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Curious about soil organic matter, soil ecology, and agriculture sustainability.

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Hobbies: camping, hiking, and listening to music.

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Mila Victorio Pessotto  pessotto@iastate.edu  |  google scholarpersonal website

Ph.D. in Agronomy

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Curious about sustainable production systems, cover crops, soil fertility and soil health.

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Hobbies: reading, barbecuing, and spending time with family and friends.

Graduate Students
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Malcolm St Cyr  mystcyr@iastate.edu   |   twitter

M.S. in Soil Science

 

Curious about soil formation and fertility, and using combination to manage soil-plant interactions.

 

Hobbies: discovering historical figures/places by reading or traveling, watching movies/documentaries,             listening to music, and having conversations.

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Ally Larson   aclarson@iastate.edu

M.S. in Agronomy

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Curious about cover crops and the relationship between soil health and sustainable agriculture systems.

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Hobbies: reading, spending time with family and friends, and anything outdoors.

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Summer Bjorn  summ@iastate.edu

M.S. in Soil Science

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Curious about nutrient cycling, carbon storage, and soil ecology.

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Hobbies: playing pickleball and racquetball, weightlifting, volunteering, and playing board games with my husband.

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Wyatt Bailey  wjbailey@iastate.edu

M.S. in Entomology & Soil Science

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Curious about sustainable cropping systems, integrated pest management, and plant-insect-soil interactions.

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Hobbies: gardening, drawing, cooking, hiking, and spending time with friends and family.

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Modestos Modestou   modestou@iastate.edu

Ph. D. in Agronomy

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Curious about intercropping and soil microbes.
 

Hobbies: hiking, swimming, reading, traveling, and playing Backgammon.

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Mary Hendon   mbhendon@iastate.edu

M.S. in Soil Science

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Curious about regenerative and sustainable agricultural practices, plant-soil interactions, water quality, plant and soil dynamics, optimizing cropping systems, and tracking nitrogen and carbon cycling in the soil.

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Hobbies: painting and mix media art, being outdoors, and making coffee.

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Enzo Biotto   ebiotto@iastate.edu

M.S. in Sustainable Agriculture & Soil Science

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Curious about regenerative agriculture, soil fertility, and the interaction between crops, soil, and their environment.

 

Hobbies: swimming, spending time with friends and family, barbecuing, and outdoor activities.

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Keyshell Cole Hodgson   ejchksch@iastate.edu

M.S. in Horticulture

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Curious about soil science, crop production, turfgrass management, and promoting sustainable practices.

 

Hobbies: exercising, crafts, baking, and cooking, enjoying fresh air, watching movies, and traveling.

Undergraduate Students
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Marisol Argueta-Hernandez   marisol1@iastate.edu

B.S. in Horticulture

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Curious about sustainability and plant and floral recreation.

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Hobbies: crafting, movie nights, and singing.

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Grace Wetterling   gracew27@iastate.edu

B.S. in Microbiology

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Curious about plant, soil, and microbe interactions, the effects of cover cropping, and the future of our soils.

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Hobbies: baking, cooking, reading, and puzzles.

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Anastasiia Hutsal   hutsal@iastate.edu

B.S. in Healthcare Management

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Curious about social media marketing, healthcare, and communications.

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Hobbies: training animals, volunteering, and biking.

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Alexis Brinkman   abrink22@iastate.edu

B.S. in Agronomy

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​Curious about plant and soil interaction, as well as corn and soybean genetics.

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Hobbies: painting, hunting, reading, and hanging out with friends and family.

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Emmie Vos   emmievos@iastate.edu

B.S. in Environmental Science

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​Curious about soil pedology and mineralogy and how it influences soil nutrients.

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Hobbies: baking, photography, posting on Instagram, and annoying my cats.

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Marie Claire Ndefua   mcaka@iastate.edu

B.S. in Genetics

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​Curious about soil microbiology, plant genetics, and the importance of different soil microbes in the overall soil health.

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Hobbies: cooking, singing, baking, crocheting, and braiding.

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Nathan Imig   nmimig@iastate.edu

B.S. in Computer Science

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​Curious about generative AI and data structures.

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Hobbies: running, playing the guitar, hanging out with friends, and playing video games.

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Isabell Olsasky   im2007@iastate.edu

B.S. in Agronomy

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​Curious about using soil to promote food security and learning about helping smallholder farmers on a global scale.

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Hobbies: running, hiking, and reading.

...this could be you

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We are frequently looking for new people to join the lab.  Please contact us for details.

Lab Alumni & Their Next Steps

P&S Staff 
Stephen Potter (M.S. 2019, Lab Manager) - moved on to Soil Water Outcome Fund in Ankeny, IA

Postdoc
Toby Adjuik (Postdoc 2022-2025) - moved on to be a research scientist at EF Polymer Global
Jessica Nelson (Postdoc 2025-2025) - moved on to postdoc at USDA-ARS NLAE in Ames, IA
Ala Khaleel (Postdoc 2023-2025) - moved on to be faculty at the University of Jordan
Ashani Thilakarathne (Postdoc 2023-2025) - moved on to be faculty at the University of Wisconsin - River Falls
Zach Simpson (Postdoc 2021-2022) - moved on to Aarhus University in Denmark.

Kate Glanville (Postdoc 2020-2021) - moved on to NRCS in Salina, Kansas
Britt Moore (Postdoc 2020-2021) - moved on to be faculty at the University of North Carolina - Wilmington
Morgan Davis (Postdoc 2018-2020) - moved on to be faculty at the 
University of Missouri

Mriganka De (Postdoc 2017-2020) - moved on to be faculty at Minnesota State University
Michael Lawrinenko (Postdoc 2017) - moved on to EPA in Ada, OK


Grad Students
Megan Blauwet (M.S. in Soil Science 2025) - moved on to work for Concept AgriTek
Jessica Nelson 
(Ph.D. in Environmental Science 2025) - moved on to postdoc position in McDaniel Lab
Michael Cook (M.S. in Sustainable Agriculture 2025) - moved on to work for Agronomy Contracting
Max Eness (M.S. in Soil Science 2025) - moved on to work for Bureau of Land Management
Ala Khaleel (Ph.D. in Soil Science 2023) - moved on to postdoc position in McDaniel Lab

Cole Dutter (Ph.D. in Soil Science & Sustainable Agriculture 2022) - moved on to postdoc position in McDaniel Lab
Valeria Cano Camacho (M.S. 2022) - moved on to Practical Farmers of Iowa
in Ames, IA
Derrick Kapayou (M.S. in Sustainable Agriculture & M.A. in Anthropology 2022) - moved on to pursue a Ph.D. at ISU
Emma Molburg (M.S. in Soil Science 2022) - moved on to NRCS in Galesburg, IL
Tomás Sitzmann (M.S. in Soil Science 2020) - moved on to pursue a Ph.D. at Grignani Labs at University of Turin
Teresa Middleton (M.S. in Soil Science 2019) - moved on to Iowa Soybean Association
Jacob Studt (M.S. in Soil Science 2019) - moved on to Heaton Lab at University of Illinois
Rebecca Baldwin-Kordick (M.S. in Soil Science 2018) - moved on to Mad Agriculture

Undergraduate Students
Grace Root (B.S. Agronomy 2025) - agronomic co-operative at Luckey Farmers Inc in OH
Dori Waschkat (B.S. Agronomy 2025) - working as an agronomist
William Coppoc (B.S. Environmental Science TBD) - deployed for the U.S. Army
Philip Young
(B.S. Agronomy 2025) - graduate school aspirations
Marina Guadagnucci (undergrad intern from Brazil) - College of Agriculture (ESALQ/USP) at University of São Paulo
Sydney Pottebaum (current undergraduate) -
moved on to be a research assistant at USDA-ARS NLAE
Wes Kramer (M.S. in Agronomy 2023) - moved on to Syngenta in Slater, IA
Christar Kin (B.S. in Biological Systems Engineering 2022, MBA 2023) - moved on to The Foth Companies 
Rebekah Veldboom (B.S. in Environmental Science 2024) - moved on to USDA NRCS in Fairmont, MN
Estelle Venable (B.S. in Agronomy 2024) -
moved on to Roth Lab at ISU Agronomy
Sage Coffman (B.S. in Environmental Science & Agronomy 2024) -
moved on to pursue a M.S. at ISU (McMillan Lab)
Sokhna Khadija Mbacke (B.S. in Agronomy & Horticulture 2022) -
moved on to pursue a M.S at Purdue in Gomez Lab
Casey Luke (B.S. in Agronomy 2022) - moved on to pursue a M.S. in Geospatial Lab for Soil Informatics at ISU
Allee Koestner (B.S. in Agronomy 2022) - moved on to Advanced Agrilytics
Jean Etnyre (B.S. in Environmental Science 2021) - moved on to pursue a M.S. at Arizona State University
Terry West (B.S. in Agronomy 2021) - moved on to Omaha, NE

Haley Wilson (B.S. in Agronomy 2021) - moved on to the National Resource Conservation Service
Perla Carmenate (B.S. in Agronomy 2020) - moved on to pursue a 
M.S. at University of Texas Rio Grande Valley
Jack Pieper (B.S. in Agronomy 2020) - moved on to pursue a M.S. at Oregon State University
Justin Hunter (B.S. in Agronomy 2020) - moved on to pursue a M.S.
 at University of Missouri (Davis Lab)
Carrie Dodd (B.S. in Animal Ecology 2020) - moved on to be a technician at University of Texas A&M
Theresa Brehm (B.S. in Agronomy 2020) - moved on to pursue a M.S. at Ohio State University (Culman Lab)
Mitchell Roush (B.S. in Agronomy  2017) - moved on to pursue a 
M.S. at ISU Agronomy with Dr. Andrew Manu

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