Title: Festkolloquium anlässlich des 65. Geburtstages von Professor Dr. Heinz W. Zöttl am 24. April 1992
Subjects: Forest soils, Congresses, Forest health, Forest ecology, Foliar diagnosis, Earthworms, Soils, Nitrogen content
Places: Germany, Black Forest, Bavaria, Baden-Württemberg
People: H. W. Zöttl