Agrobiology was a discipline in the field of biology that focused on agriculture and the study of plant nutrition and growth.
In 2371, Keiko O'Brien took part in an agrobiology expedition to the Janitza Mountains on Bajor, where she functioned as the chief botanist. (DS9: "The House of Quark")
The expedition, which lasted several months, also included a Bajoran zoologist named Sebarr, with whom Keiko became close friends. (DS9: "Fascination")