Agriculture Sciences and Plant Studies

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Inocent Ritte, a doctoral candidate at Tuskegee University, was motivated to study agriculture because of his family back home in Tanzania. “The motive for my matriculation in the field of agriculture started with my parents, who are farmers and instilled in me, since my childhood, the love of farming,” said Inocent. “I was born and raised in rural Tanzania, where farming is a major source of income. The interest I had developed from home, sparked my involvement with school gardening projects in grade school, where I was able to understand agriculture as a science.”

Agriculture As A Science

Inocent enrolled in Sokoine Agricultural University and received a bachelor’s degree in Horticulture to fulfill his dream. Inocent continued to express his plans, “As I matured in my academic education, my passion for agriculture continued to grow as well. This led towards envisioning a career as an agricultural expert and a leader and enrolling in the University back at home in Tanzania. I successfully graduated with a bachelor’s degree in Horticulture.” Knowing that agricultural issues are daunting and require more knowledge to solve these problems at a higher level, he embarked on other avenues to further scientific and research education. “I was privileged to receive a competitive USAID-iAGRI scholarship and enrollment at Tuskegee University under the tutelage of Dr. Marceline Egnin,” Inocent stated. “Through her mentorship, I have continuously broadened my understanding of modern agricultural sciences and gained new knowledge and skills.”


Dr. Marceline Egnin is a research member for the College of Doctorate Studies in Agricultural and Environmental Science. The new knowledge Inocent has gained through this program is in cutting-edge technologies such as plant biotechnologies, which are critical in modern agricultural research, in which he continued to say have contributed to his quest to become an agricultural scientist. The Doctor of Philosophy (Ph.D.) degree program in Agricultural and Environmental Science Engineering is an interdisciplinary program that leverages faculty expertise, resources, and academic strengths of the College of Agriculture, Environment and Nutrition Sciences and the College of Engineering. The program offers a wide variety of opportunities and integration at the interface of agriculture, environmental sciences, and engineering in addressing national and global agricultural and environmental challenges of the 21st century. Students in this program may select from one of three thrust areas of specialization:

  1. Environmental and Natural Resource Sciences Engineering, which addresses climate change, impact assessments, and adaptation solutions, and prepares engineers to design and develop technologies that protect our natural resources through sustainable agricultural practices;
  2. Renewable Energy, Bioenergy, and Biomass Conversion, which addresses issues required for the development and analysis of renewable energy processes and bioenergy alternatives from sustainable agricultural and natural resources;
  3. Food Science and Food Processing, which focuses on the design of innovative products, equipment, and systems for food safety and processing, preservation, handling, and packaging.

For more information on the programs, at Tuskegee University visit the website at

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