agronomist

Concise Oxford English Dictionary © 2008 Oxford University Press:
agronomy /əˈgrɒnəmi/

▶noun the science of soil management and crop production.

– derivatives
agronomic adjective,
agronomical adjective,
agronomically adverb,
agronomist noun.

– origin C19: from Fr. agronomie, from agronome ‘agriculturist’, from Gk agros ‘field’ + -nomos ‘arranging’ (from nemoein ‘arrange’).