University of California, Davis campus

Engineering

PhD Soils & Biogeochemistry at University of California, Davis

University of California, Davis, United States

Programme overview

The Soils and Biogeochemistry Graduate Group offers the PhD (Plan B) studying the physical, chemical and biological processes in soils across landforms and ecosystems. Research topics include greenhouse gas emissions, soil carbon sequestration, nutrient cycling, soil microbial ecology and soil erosion.

Faculty: College of Agricultural and Environmental Sciences  |  Department: Soils and Biogeochemistry Graduate Group  |  Study mode: full-time  |  Location: Davis, CA, United States

What you will study

Students gain advanced knowledge of soil quality, behavior and distribution in relation to landform evolution and geochemical environments, and plant mineral nutrition in irrigated agriculture.

Career pathways

Professional research and teaching in soils and soil-plant relations.

Official programme page

Application information

Entry requirements

Soils and Biogeochemistry graduate group (2022 requirements): 3.0/4.0 GPA; two preparatory courses each in chemistry, physics, biology, calculus and soil science (or proficiency shown by petition or remedial coursework in the first year); three letters of recommendation; English proficiency exam (TOEFL or other approved exam) for applicable applicants.

Requirements published at program group level.

Domestic applicants: USD 13,722 a year (2026-27). Systemwide UC graduate (academic) Tuition for California residents, 2026-27 annual. Excludes Student Services Fee, campus-based fees, and Nonresident Supplemental Tuition; self-supporting and professional programmes are charged differently and are not cov Source

Graduate applications are submitted through the UC Davis online graduate application with an application fee; deadlines vary by programme and are listed on the Graduate Studies deadlines page.

Apply through the official page: https://grad.ucdavis.edu/apply

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