Définition
The European Size Unit (ESU) is a unit used to measure standard gross margin (SGM). An ESU is equivalent to 1.5 hectares of wheat.
This concept is no longer used from the 2010 agricultural census.
Remarque
Source : service de la statistique et de la prospective (SSP), ministère chargé de l'agriculture (site : http://agreste.agriculture.gouv.fr)