Bio-dynamic agriculture
Subtitle: an introduction
By: by Herbert H. Koepf, Bo D. Pettersson, Wolfgang Schaumann.
Contributors: Pettersson, Bo D., joint author.; Schaumann, Wolfgang, joint author.
Publisher: Anthroposophic Press
Published: 1976
Place of publication: Spring Valley, N.Y
Language: eng
Number of pages: 429
Subjects: Organic farming.
Notes: Bibliography: p. 404-416.
Translation of Biologische Landwirtschaft.
Includes index.