The Graduate School Advance to a Higher Degree

Agricultural and Biological Engineering

Supported Degree Objectives


  • Doctor of Philosophy (PhD)
  • Master's Degree
  • Graduate Certificate
  • Non Degree

Required Supporting Documents


  • Transcripts
  • Recommendation Letters
  • Statement of Purpose - Please provide a statement of approximately 500 words that addresses the following:
    1. Describe your broad scientific interests, including what motivates you to pursue them.
    2. Describe your future career plans or goals as they relate to your scientific interests in (1) and explain why you need to pursue graduate studies to achieve them.
    3. Describe your technical background such as courses, internships, or research that inform your decision.
    4. Describe specific research interests in the Agricultural and Biological Engineering Department, including up to three potential mentors and how their programs relate to your broad scientific interests in (1).
    5. Provide additional background information that may support your success in graduate school (e.g. communication or organization skills that were acquired from academic and non-academic activities). Also explain any extenuating circumstances that help understand your application.
  • Resume
  • English Proficiency (Non-native English speaking international applicants: choose a test below)
    • TOEFL: Internet-Based Test (IBT): Minimum Overall Required Score: 80
      • Minimum section requirements:
        • Reading: 19
        • Listening: 14
        • Speaking: 18
        • Writing: 18
    • TOEFL: Paper-Delivered Test: Minimum Overall Required Score: No minimum
      • Minimum section requirements:
        • Reading: 19
        • Listening: 14
        • Writing: 18
    • IELTS (Academic Module): Minimum Overall Required Score: 6.5
      • Minimum section requirements:
        • Reading: 6.5
        • Listening: 6.0
        • Speaking: 6.0
        • Writing: 5.5

Master's Degree Program Requirements


  • Cumulative Grade Point Average from most recently conferred undergraduate, graduate, or professional degree:
    • 3.0 or equivalent (A=4.0)

Doctoral Degree Program Requirements


  • Cumulative Grade Point Average from most recently conferred undergraduate, graduate, or professional degree:
    • 3.0 or equivalent (A=4.0)
  • Master's Degree Completion:
    • Not required

Application Deadlines


  • Fall Spring Summer
    December 1 September 1 No Entry

  • *Deadlines are approximate and subject to change depending on the schedule of the ABE Graduate Committee.

  • *Due to extenuating circumstances surrounding COVID-19, applications will be accepted after the deadline. All applications submitted after the deadline will be reviewed on a rolling basis as applications are received.

Program Contact Information


  • Name Nikki Zimmerman
    Phone 765-494-1166
    Email nzimmerm@purdue.edu
    Web Program Website
    Address Graduate Studies Office
    Agricultural and Biological Engineering Department
    Purdue University
    225 South University Street
    West Lafayette, IN 47907-2064
    USA

Additional Information


  • Current master's students wishing to move to a doctoral degree program in this same graduate program will not be required to submit a new application.

Ernest C. Young Hall, Room 170 | 155  S. Grant Street, West Lafayette, IN 47907-2114 | 765-494-2600

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