ag·​ro·​bi·​ol·​o·​gy | \¦a-(ˌ)grōˌ-bī-ˈä-lə-jē\
plural -es

Definition of agrobiology 

: the study of plant nutrition and growth and crop production in relation to soil management

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First Known Use of agrobiology

1930, in the meaning defined above

History and Etymology for agrobiology

agro- + biology

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The first known use of agrobiology was in 1930

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living or existing for a long time

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