{Facility} Langzeitversuch Darmstadt. [Long-term trial Darmstadt.] Start 1980. Facility Leader(s): Raupp, Dr Joachim, IBDF - Institut für Biologisch-Dynamische Forschung e.V.. More information online at <http://www.biodynamic-research.net/rf/b/ltt/lvda1 <http://www.biodynamic-research.net/rf/b/ltt/lvda1>>.