Agronomy
From Tardis Wiki, the free Doctor Who reference
Agronomy was science of farming. Arthur Stengos was a prominent agronomist, widely considered to be one of the finest in "the galaxy". (TV: Revelation of the Daleks)
Iradius Flynnt was a professor of agronomy on Danpetro. (PROSE: A Game of Soldiers)
In 2986, the Sixth Doctor and Melanie Bush mistook a thremmatologist, Professor Sarah Lasky, for an agronomist. (TV: Terror of the Vervoids)
Elkinar Dajan was a doctor of xeno-agronomy. (AUDIO: The Seeds of War)
