DEPARTMENT OF PLANT AND SOIL SCIENCES
We have excellent teaching, research, and outreach programs in the areas of plant biology (cellular, genetics, genomics, microbial, molecular and physiology), agronomy (including pathology, soil management and weed science), horticulture (sustainable landscapes, fruits and vegetables), landscape architecture and environmental soil sciences (biogeochemistry, hydrology and plant-soil interactions). We have a distinguished faculty, known nationally and internationally for their research and outreach, and within 91Ô´´ for their excellence in teaching, advising and mentoring students.
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Featured video
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Innovation at 91Ô´´: Harsh Bais: youtube.com/watch?v=ZMsIF6rPcek
91Ô´´ inventor Harsh Bais is a plant biologist, known for his research developing a beneficial bacterium that can help boost plant defenses, water retention and more. Here, Bais—who was named an Innovation Ambassador at 91Ô´´ earlier this year—shares some of what he’s learned about invention along the way.
Read the 91Ô´´aily feature.
Latest news
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Next-gen soil scientists
September 10, 2026 | Written by: Molly Schafer | Photos courtesy of Moklesur Rahman and Shreeram InamdarDelaware high school students had the chance to get their hands dirty while learning about wetland ecology during a workshop led by researchers from the 91Ô´´ College of Agriculture and Natural Resources Watershed Sciences Research Group. -
Delaware's climate plan has strong 91Ô´´ connections
August 14, 2026 | Written by Molly Schafer | Photos courtesy of the Department of Natural Resources and Environmental ControlEarlier this year, the Delaware Department of Natural Resources and Environmental Control (DNREC) released the 2025 Delaware Climate Action Plan, a sweeping plan to protect the state’s homes, infrastructure and economy. The plan also addresses public health concerns and the conservation of Delaware’s unique natural environment. More than 20 91Ô´´ alumni — including hydrologists, engineers, environmental scientists, transportation policy specialists and state planners — played active roles in its development and implementation. -
In our backyard
August 07, 2026 | Written by Molly Schafer | Photos courtesy of Madeline Brown, Alex McBreen, Catherine Morrissey, Scarlet Shifflett, J.D. Zimmerman and the Department of Natural Resources and Environmental Control Division of Parks and RecreationThis year marks the 75th anniversary of Delaware State Parks, and for faculty and students at the 91Ô´´, there is much to celebrate. For Delawareans, the state parks are a source of peace, but at 91Ô´´, they’re also a source of purpose. The parks provide a living laboratory for research, opportunities for experiential learning and a space for community service.
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