(German: Dienstleistungszentrum Ländlicher Raum Rheinhessen - Nahe - Hunsrück) Abbreviation DLR.
Based in Oppenheim. Founded on July 31, 1895 as "Großherzoglich-Hessische Wein- und Obstbauschule" (Grand Ducal Hessian Wine and Fruit School). The DLR is a public service institution with a focus on education (»Vocational school«: up to the master's examination, as well adult education through wine seminars), environment-oriented viticulture, experiments, questions of limiting quantities and rationalization in the vineyard, new methods of fermentation in the cellar, phylloxera, counseling Almost 3,000 businesses with vineyards and fruit trees, modern marketing. The DLR also has a state winery / vineyard domain affiliated.