FrenchCropUsage is a thesaurus of crop organized by usage. This thesaurus is dedicated to french agriculture point of view. The thesaurus is modelled using skos. It contains 307 skos:Concept individuals. The thesaurus was first used during the vespa project to index French agricultural alert bulletins named "Plant Health Bulletins" or "Bulletins de Santé du Végétal" (BSV). This thesaurus is also used during the D2KAB project to index a new version of the BSV corpora. More information are available on the web site http://ontology.irstea.fr/pmwiki.php/Site/FrenchCropUsage. The file called usageCulture20160531.rdf is the version of mai 2016. The file called usageCulture20190826.rdf is the ongoing version.