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Biosystems and Agricultural Engineering

Doctorate in Biosystems Engineering

The study of biosystems engineering merges engineering and agricultural science to improve quality of life while maintaining the environment and preserving natural resources.
The focus of biosystems engineering is to enhance the production and profitability of agricultural and biological products.  Biosystems engineers work at the interface of biology and technology to address problems and opportunities related to food, water, energy and the environment-all of which are critical to the future.


The Doctor of Philosophy degree in biosystems engineering requires a minimum of 90 credit hours beyond the bachelor's degree, or a minimum of 60 credit hours beyond the master's degree in related discipline.


  • A minimum of 60 credit hours (beyond MS degree)
    • A minimum of 30 coursework credit hours comprised of:
      • 28 in-residence graduate credit hours (maximum of 9 transfer hours with "B" or better)
      • At least 9 credit hours of BAE graduate courses in the required course work credit hours.
      • One credit hour of Teaching Practicum
      • One credit hour of BAE Graduate Seminar
    • 30 research credit hours


Research and Faculty

Carol Jones

Dr. Carol Jones is one of only a few grain storage engineers in the United States and focuses on methods to keep grain and seed in the best quality possible. Her research and extension program is known internationally.

Meet our Departmental Faculty



If you have graduated with a B.S. in an engineering from an ABET accredited program (most in the USA), a GRE is not required. If you have graduated from a foreign university, GRE scores are not required, but are helpful in evaluating applicants. There is no minimum GRE score. International students are required to take the TOEFL exam. Students with a B.S./MS degree from an ABET accredited biosystems or agricultural engineering program (most U.S. programs) are highly competitive for admission if their GPA is 3.0 or higher. Persons with a GPA less than 3.0 will be considered, particularly if they have two or more years of professional engineering experience.


To apply for the biosystems engineering master of science degree program in the OSU Department of Biosystems and Agricultural Engineering, submit an application for admission to the OSU Graduate College.


Cost and Assistance

Many students help finance graduate education through part-time, paid employment as a graduate assistant. As a graduate assistant, you can expand and apply your knowledge and skills under the supervision of faculty or staff.


Cost and Aid

Assistantships and Funding Opportunities


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