[Special advisory work for mushroom houses]

advisory officers arbeit beruf champignon comestible conseiller agricole cultivo de hortalizas edible fungi exploitation agricole explotaciones agrarias extension extension activities farms food production formation professionnelle institution de recherche micologia mycologie mycology person production alimentaire public relations relations publiques renania-palatinado research institutions rhineland-palatinate setas comestibles vegetable growing vocational training vulgarisation